chore: Update discovery artifacts (#1425)

## Deleted keys were detected in the following stable discovery artifacts:
admin directory_v1 https://github.com/googleapis/google-api-python-client/commit/1534f8926019f43dc87a29c1ca32191884556e3b
bigquery v2 https://github.com/googleapis/google-api-python-client/commit/59c51e319602741632201d2ce61a6b03f13e4003
file v1 https://github.com/googleapis/google-api-python-client/commit/0cd409a2d15c68aca3ea864400fc4772b9b4e503
memcache v1 https://github.com/googleapis/google-api-python-client/commit/665ce5b47b9b3238dcfa201b9343bf6447df5994
youtube v3 https://github.com/googleapis/google-api-python-client/commit/5046950872559fe93b954dc9a4f71fd724176247

## Deleted keys were detected in the following pre-stable discovery artifacts:
analyticsadmin v1alpha https://github.com/googleapis/google-api-python-client/commit/934358e5c041ffd1449e7c744463e61e94381ed5
documentai v1beta3 https://github.com/googleapis/google-api-python-client/commit/e8aaabbc7670aefc4a745916fccb31424745f748
file v1beta1 https://github.com/googleapis/google-api-python-client/commit/0cd409a2d15c68aca3ea864400fc4772b9b4e503
memcache v1beta2 https://github.com/googleapis/google-api-python-client/commit/665ce5b47b9b3238dcfa201b9343bf6447df5994
networkconnectivity v1alpha1 https://github.com/googleapis/google-api-python-client/commit/2cc462638aec61f4e775bfce883e725b104eeabb

## Discovery Artifact Change Summary:
feat(admin): update the api https://github.com/googleapis/google-api-python-client/commit/1534f8926019f43dc87a29c1ca32191884556e3b
feat(alertcenter): update the api https://github.com/googleapis/google-api-python-client/commit/7a488d3f0deef3e1f106cff63b1e4f66ad1727bb
feat(analyticsadmin): update the api https://github.com/googleapis/google-api-python-client/commit/934358e5c041ffd1449e7c744463e61e94381ed5
feat(analyticsdata): update the api https://github.com/googleapis/google-api-python-client/commit/40f712130674cec09c1dd7560f69a330a335b226
feat(androiddeviceprovisioning): update the api https://github.com/googleapis/google-api-python-client/commit/81a0002a7051aeab647a3296fb18ce7973bf7137
feat(apigee): update the api https://github.com/googleapis/google-api-python-client/commit/2e6c78a93b2c0ee7001eb163ec95f9afc8f35575
feat(appengine): update the api https://github.com/googleapis/google-api-python-client/commit/125f74a61a94af17c01930841a79db46d3a059c5
feat(bigquery): update the api https://github.com/googleapis/google-api-python-client/commit/59c51e319602741632201d2ce61a6b03f13e4003
feat(cloudasset): update the api https://github.com/googleapis/google-api-python-client/commit/e615264971ccee6eb9b450fe3d85614209c0fee8
feat(cloudbuild): update the api https://github.com/googleapis/google-api-python-client/commit/ceddaccf23eb8b809688907cfdef8906cd77d65d
feat(cloudidentity): update the api https://github.com/googleapis/google-api-python-client/commit/22cd08b69b034c2cdfd854e1ac784f834539db3a
feat(container): update the api https://github.com/googleapis/google-api-python-client/commit/f494c63a42dc418559292c6269289317d9cebc23
feat(documentai): update the api https://github.com/googleapis/google-api-python-client/commit/e8aaabbc7670aefc4a745916fccb31424745f748
feat(drive): update the api https://github.com/googleapis/google-api-python-client/commit/72cab88ce591d906ea1cfcbe4dee354cccb623f2
feat(file): update the api https://github.com/googleapis/google-api-python-client/commit/0cd409a2d15c68aca3ea864400fc4772b9b4e503
feat(firebaseappcheck): update the api https://github.com/googleapis/google-api-python-client/commit/9a0131b2326327109d1ba7af97b1f4808dd7a898
feat(healthcare): update the api https://github.com/googleapis/google-api-python-client/commit/45ee6b28b86a43f44c707e15a7e06fdf8fce6a0f
feat(ideahub): update the api https://github.com/googleapis/google-api-python-client/commit/73b86d9d37f33aeaed74772d0319ba1350e54ed5
feat(managedidentities): update the api https://github.com/googleapis/google-api-python-client/commit/a07ed4558c93cb8f7fae49c7b353f46ccfea6c10
feat(memcache): update the api https://github.com/googleapis/google-api-python-client/commit/665ce5b47b9b3238dcfa201b9343bf6447df5994
feat(metastore): update the api https://github.com/googleapis/google-api-python-client/commit/9fd5ffbf37fb052323f5fa68d307c68391c519ac
feat(ml): update the api https://github.com/googleapis/google-api-python-client/commit/cf54d564915a558569c093287b448a7819e215f6
feat(monitoring): update the api https://github.com/googleapis/google-api-python-client/commit/d1ffbfc041f23f904cd8bc35a450871b2909473b
feat(networkconnectivity): update the api https://github.com/googleapis/google-api-python-client/commit/2cc462638aec61f4e775bfce883e725b104eeabb
feat(notebooks): update the api https://github.com/googleapis/google-api-python-client/commit/831ba938855aa4bdefafedf63e01af43350e7ed2
feat(ondemandscanning): update the api https://github.com/googleapis/google-api-python-client/commit/c04b4023477393cbb41984b14e0c734fc8587d45
feat(paymentsresellersubscription): update the api https://github.com/googleapis/google-api-python-client/commit/2cd5b1c2ef524f3ab00630508710cce7bee53574
feat(prod_tt_sasportal): update the api https://github.com/googleapis/google-api-python-client/commit/8b6bd24e57a79f470c750ad04052f79a3cafe0fa
feat(realtimebidding): update the api https://github.com/googleapis/google-api-python-client/commit/fd514dc8d86182dc17698f3293144928535f709c
feat(reseller): update the api https://github.com/googleapis/google-api-python-client/commit/20226c4401956732772e2a563c7920666135e605
feat(sasportal): update the api https://github.com/googleapis/google-api-python-client/commit/38d5156350b79a9933b2806f4bbe443043a33185
feat(sts): update the api https://github.com/googleapis/google-api-python-client/commit/190e13ebe5a4660d8825d3a8708559077a342bdf
feat(transcoder): update the api https://github.com/googleapis/google-api-python-client/commit/fbcacce6a17c1cae45b22f4a2058e730ec84b55a
feat(youtube): update the api https://github.com/googleapis/google-api-python-client/commit/5046950872559fe93b954dc9a4f71fd724176247
diff --git a/docs/dyn/cloudidentity_v1.groups.memberships.html b/docs/dyn/cloudidentity_v1.groups.memberships.html
index 31cf220..a81036e 100644
--- a/docs/dyn/cloudidentity_v1.groups.memberships.html
+++ b/docs/dyn/cloudidentity_v1.groups.memberships.html
@@ -156,7 +156,7 @@
   "name": "A String", # Output only. The [resource name](https://cloud.google.com/apis/design/resource_names) of the `Membership`. Shall be of the form `groups/{group_id}/memberships/{membership_id}`.
   "preferredMemberKey": { # A unique identifier for an entity in the Cloud Identity Groups API. An entity can represent either a group with an optional `namespace` or a user without a `namespace`. The combination of `id` and `namespace` must be unique; however, the same `id` can be used with different `namespace`s. # Required. Immutable. The `EntityKey` of the member.
     "id": "A String", # The ID of the entity. For Google-managed entities, the `id` should be the email address of an existing group or user. For external-identity-mapped entities, the `id` must be a string conforming to the Identity Source's requirements. Must be unique within a `namespace`.
-    "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}.
+    "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}`.
   },
   "roles": [ # The `MembershipRole`s that apply to the `Membership`. If unspecified, defaults to a single `MembershipRole` with `name` `MEMBER`. Must not contain duplicate `MembershipRole`s with the same `name`.
     { # A membership role within the Cloud Identity Groups API. A `MembershipRole` defines the privileges granted to a `Membership`.
@@ -253,7 +253,7 @@
   "name": "A String", # Output only. The [resource name](https://cloud.google.com/apis/design/resource_names) of the `Membership`. Shall be of the form `groups/{group_id}/memberships/{membership_id}`.
   "preferredMemberKey": { # A unique identifier for an entity in the Cloud Identity Groups API. An entity can represent either a group with an optional `namespace` or a user without a `namespace`. The combination of `id` and `namespace` must be unique; however, the same `id` can be used with different `namespace`s. # Required. Immutable. The `EntityKey` of the member.
     "id": "A String", # The ID of the entity. For Google-managed entities, the `id` should be the email address of an existing group or user. For external-identity-mapped entities, the `id` must be a string conforming to the Identity Source's requirements. Must be unique within a `namespace`.
-    "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}.
+    "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}`.
   },
   "roles": [ # The `MembershipRole`s that apply to the `Membership`. If unspecified, defaults to a single `MembershipRole` with `name` `MEMBER`. Must not contain duplicate `MembershipRole`s with the same `name`.
     { # A membership role within the Cloud Identity Groups API. A `MembershipRole` defines the privileges granted to a `Membership`.
@@ -332,7 +332,7 @@
       "name": "A String", # Output only. The [resource name](https://cloud.google.com/apis/design/resource_names) of the `Membership`. Shall be of the form `groups/{group_id}/memberships/{membership_id}`.
       "preferredMemberKey": { # A unique identifier for an entity in the Cloud Identity Groups API. An entity can represent either a group with an optional `namespace` or a user without a `namespace`. The combination of `id` and `namespace` must be unique; however, the same `id` can be used with different `namespace`s. # Required. Immutable. The `EntityKey` of the member.
         "id": "A String", # The ID of the entity. For Google-managed entities, the `id` should be the email address of an existing group or user. For external-identity-mapped entities, the `id` must be a string conforming to the Identity Source's requirements. Must be unique within a `namespace`.
-        "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}.
+        "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}`.
       },
       "roles": [ # The `MembershipRole`s that apply to the `Membership`. If unspecified, defaults to a single `MembershipRole` with `name` `MEMBER`. Must not contain duplicate `MembershipRole`s with the same `name`.
         { # A membership role within the Cloud Identity Groups API. A `MembershipRole` defines the privileges granted to a `Membership`.
@@ -371,7 +371,7 @@
 Args:
   parent: string, Required. The parent `Group` resource under which to lookup the `Membership` name. Must be of the form `groups/{group_id}`. (required)
   memberKey_id: string, The ID of the entity. For Google-managed entities, the `id` should be the email address of an existing group or user. For external-identity-mapped entities, the `id` must be a string conforming to the Identity Source's requirements. Must be unique within a `namespace`.
-  memberKey_namespace: string, The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}.
+  memberKey_namespace: string, The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}`.
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -433,7 +433,7 @@
     "name": "A String", # Output only. The [resource name](https://cloud.google.com/apis/design/resource_names) of the `Membership`. Shall be of the form `groups/{group_id}/memberships/{membership_id}`.
     "preferredMemberKey": { # A unique identifier for an entity in the Cloud Identity Groups API. An entity can represent either a group with an optional `namespace` or a user without a `namespace`. The combination of `id` and `namespace` must be unique; however, the same `id` can be used with different `namespace`s. # Required. Immutable. The `EntityKey` of the member.
       "id": "A String", # The ID of the entity. For Google-managed entities, the `id` should be the email address of an existing group or user. For external-identity-mapped entities, the `id` must be a string conforming to the Identity Source's requirements. Must be unique within a `namespace`.
-      "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}.
+      "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}`.
     },
     "roles": [ # The `MembershipRole`s that apply to the `Membership`. If unspecified, defaults to a single `MembershipRole` with `name` `MEMBER`. Must not contain duplicate `MembershipRole`s with the same `name`.
       { # A membership role within the Cloud Identity Groups API. A `MembershipRole` defines the privileges granted to a `Membership`.
@@ -473,7 +473,7 @@
       "group": "A String", # Resource name for this group.
       "groupKey": { # A unique identifier for an entity in the Cloud Identity Groups API. An entity can represent either a group with an optional `namespace` or a user without a `namespace`. The combination of `id` and `namespace` must be unique; however, the same `id` can be used with different `namespace`s. # Entity key has an id and a namespace. In case of discussion forums, the id will be an email address without a namespace.
         "id": "A String", # The ID of the entity. For Google-managed entities, the `id` should be the email address of an existing group or user. For external-identity-mapped entities, the `id` must be a string conforming to the Identity Source's requirements. Must be unique within a `namespace`.
-        "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}.
+        "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}`.
       },
       "labels": { # Labels for Group resource.
         "a_key": "A String",
@@ -527,7 +527,7 @@
       "preferredMemberKey": [ # Entity key has an id and a namespace. In case of discussion forums, the id will be an email address without a namespace.
         { # A unique identifier for an entity in the Cloud Identity Groups API. An entity can represent either a group with an optional `namespace` or a user without a `namespace`. The combination of `id` and `namespace` must be unique; however, the same `id` can be used with different `namespace`s.
           "id": "A String", # The ID of the entity. For Google-managed entities, the `id` should be the email address of an existing group or user. For external-identity-mapped entities, the `id` must be a string conforming to the Identity Source's requirements. Must be unique within a `namespace`.
-          "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}.
+          "namespace": "A String", # The namespace in which the entity exists. If not specified, the `EntityKey` represents a Google-managed entity such as a Google user or a Google Group. If specified, the `EntityKey` represents an external-identity-mapped group. The namespace must correspond to an identity source created in Admin Console and must be in the form of `identitysources/{identity_source_id}`.
         },
       ],
       "relationType": "A String", # The relation between the group and the transitive member.