chore: Update discovery artifacts (#1304)

## Discovery Artifact Change Summary:
cloudbuildv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/8b4a096e56ec6d0c1109e01974c690164c873259)
filev1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/f8fb4dfe2bc0cc66332f75af624514f8dc67dd66)
diff --git a/docs/dyn/serviceusage_v1beta1.services.consumerQuotaMetrics.limits.consumerOverrides.html b/docs/dyn/serviceusage_v1beta1.services.consumerQuotaMetrics.limits.consumerOverrides.html
index e767a34..543b3f3 100644
--- a/docs/dyn/serviceusage_v1beta1.services.consumerQuotaMetrics.limits.consumerOverrides.html
+++ b/docs/dyn/serviceusage_v1beta1.services.consumerQuotaMetrics.limits.consumerOverrides.html
@@ -108,8 +108,8 @@
     The object takes the form of:
 
 { # A quota override
-  "adminOverrideAncestor": "A String", # The resource name of the ancestor that requested the override. For example: `organizations/12345` or `folders/67890`. Used by admin overrides only.
-  "dimensions": { # If this map is nonempty, then this override applies only to specific values for dimensions defined in the limit unit. For example, an override on a limit with the unit `1/{project}/{region}` could contain an entry with the key `region` and the value `us-east-1`; the override is only applied to quota consumed in that region. This map has the following restrictions: * Keys that are not defined in the limit's unit are not valid keys. Any string appearing in `{brackets}` in the unit (besides `{project}` or `{user}`) is a defined key. * `project` is not a valid key; the project is already specified in the parent resource name. * `user` is not a valid key; the API does not support quota overrides that apply only to a specific user. * If `region` appears as a key, its value must be a valid Cloud region. * If `zone` appears as a key, its value must be a valid Cloud zone. * If any valid key other than `region` or `zone` appears in the map, then all valid keys other than `region` or `zone` must also appear in the map.
+  "adminOverrideAncestor": "A String", # The resource name of the ancestor that requested the override. For example: "organizations/12345" or "folders/67890". Used by admin overrides only.
+  "dimensions": { # If this map is nonempty, then this override applies only to specific values for dimensions defined in the limit unit. For example, an override on a limit with the unit 1/{project}/{region} could contain an entry with the key "region" and the value "us-east-1"; the override is only applied to quota consumed in that region. This map has the following restrictions: * Keys that are not defined in the limit's unit are not valid keys. Any string appearing in {brackets} in the unit (besides {project} or {user}) is a defined key. * "project" is not a valid key; the project is already specified in the parent resource name. * "user" is not a valid key; the API does not support quota overrides that apply only to a specific user. * If "region" appears as a key, its value must be a valid Cloud region. * If "zone" appears as a key, its value must be a valid Cloud zone. * If any valid key other than "region" or "zone" appears in the map, then all valid keys other than "region" or "zone" must also appear in the map.
     "a_key": "A String",
   },
   "metric": "A String", # The name of the metric to which this override applies. An example name would be: `compute.googleapis.com/cpus`
@@ -214,8 +214,8 @@
   "nextPageToken": "A String", # Token identifying which result to start with; returned by a previous list call.
   "overrides": [ # Consumer overrides on this limit.
     { # A quota override
-      "adminOverrideAncestor": "A String", # The resource name of the ancestor that requested the override. For example: `organizations/12345` or `folders/67890`. Used by admin overrides only.
-      "dimensions": { # If this map is nonempty, then this override applies only to specific values for dimensions defined in the limit unit. For example, an override on a limit with the unit `1/{project}/{region}` could contain an entry with the key `region` and the value `us-east-1`; the override is only applied to quota consumed in that region. This map has the following restrictions: * Keys that are not defined in the limit's unit are not valid keys. Any string appearing in `{brackets}` in the unit (besides `{project}` or `{user}`) is a defined key. * `project` is not a valid key; the project is already specified in the parent resource name. * `user` is not a valid key; the API does not support quota overrides that apply only to a specific user. * If `region` appears as a key, its value must be a valid Cloud region. * If `zone` appears as a key, its value must be a valid Cloud zone. * If any valid key other than `region` or `zone` appears in the map, then all valid keys other than `region` or `zone` must also appear in the map.
+      "adminOverrideAncestor": "A String", # The resource name of the ancestor that requested the override. For example: "organizations/12345" or "folders/67890". Used by admin overrides only.
+      "dimensions": { # If this map is nonempty, then this override applies only to specific values for dimensions defined in the limit unit. For example, an override on a limit with the unit 1/{project}/{region} could contain an entry with the key "region" and the value "us-east-1"; the override is only applied to quota consumed in that region. This map has the following restrictions: * Keys that are not defined in the limit's unit are not valid keys. Any string appearing in {brackets} in the unit (besides {project} or {user}) is a defined key. * "project" is not a valid key; the project is already specified in the parent resource name. * "user" is not a valid key; the API does not support quota overrides that apply only to a specific user. * If "region" appears as a key, its value must be a valid Cloud region. * If "zone" appears as a key, its value must be a valid Cloud zone. * If any valid key other than "region" or "zone" appears in the map, then all valid keys other than "region" or "zone" must also appear in the map.
         "a_key": "A String",
       },
       "metric": "A String", # The name of the metric to which this override applies. An example name would be: `compute.googleapis.com/cpus`
@@ -251,8 +251,8 @@
     The object takes the form of:
 
 { # A quota override
-  "adminOverrideAncestor": "A String", # The resource name of the ancestor that requested the override. For example: `organizations/12345` or `folders/67890`. Used by admin overrides only.
-  "dimensions": { # If this map is nonempty, then this override applies only to specific values for dimensions defined in the limit unit. For example, an override on a limit with the unit `1/{project}/{region}` could contain an entry with the key `region` and the value `us-east-1`; the override is only applied to quota consumed in that region. This map has the following restrictions: * Keys that are not defined in the limit's unit are not valid keys. Any string appearing in `{brackets}` in the unit (besides `{project}` or `{user}`) is a defined key. * `project` is not a valid key; the project is already specified in the parent resource name. * `user` is not a valid key; the API does not support quota overrides that apply only to a specific user. * If `region` appears as a key, its value must be a valid Cloud region. * If `zone` appears as a key, its value must be a valid Cloud zone. * If any valid key other than `region` or `zone` appears in the map, then all valid keys other than `region` or `zone` must also appear in the map.
+  "adminOverrideAncestor": "A String", # The resource name of the ancestor that requested the override. For example: "organizations/12345" or "folders/67890". Used by admin overrides only.
+  "dimensions": { # If this map is nonempty, then this override applies only to specific values for dimensions defined in the limit unit. For example, an override on a limit with the unit 1/{project}/{region} could contain an entry with the key "region" and the value "us-east-1"; the override is only applied to quota consumed in that region. This map has the following restrictions: * Keys that are not defined in the limit's unit are not valid keys. Any string appearing in {brackets} in the unit (besides {project} or {user}) is a defined key. * "project" is not a valid key; the project is already specified in the parent resource name. * "user" is not a valid key; the API does not support quota overrides that apply only to a specific user. * If "region" appears as a key, its value must be a valid Cloud region. * If "zone" appears as a key, its value must be a valid Cloud zone. * If any valid key other than "region" or "zone" appears in the map, then all valid keys other than "region" or "zone" must also appear in the map.
     "a_key": "A String",
   },
   "metric": "A String", # The name of the metric to which this override applies. An example name would be: `compute.googleapis.com/cpus`