docs: update generated docs (#981)

diff --git a/docs/dyn/compute_alpha.regionInstances.html b/docs/dyn/compute_alpha.regionInstances.html
index 853beed..b9ad2ac 100644
--- a/docs/dyn/compute_alpha.regionInstances.html
+++ b/docs/dyn/compute_alpha.regionInstances.html
@@ -90,9 +90,6 @@
 
 {
     "count": "A String", # The maximum number of instances to create.
-    "excludedZones": [ # List of zones to exclude for regional requests.
-      "A String",
-    ],
     "instance": { # Represents an Instance resource.
         #
         # An instance is a virtual machine that is hosted on Google Cloud Platform. For more information, read Virtual Machine Instances. (== resource_for {$api_version}.instances ==)
@@ -164,6 +161,7 @@
             "labels": { # Labels to apply to this disk. These can be later modified by the disks.setLabels method. This field is only applicable for persistent disks.
               "a_key": "A String",
             },
+            "multiWriter": True or False, # Indicates whether or not the disk can be read/write attached to more than one instance.
             "onUpdateAction": "A String", # Specifies which action to take on instance update with this disk. Default is to use the existing disk.
             "replicaZones": [ # URLs of the zones where the disk should be replicated to. Only applicable for regional resources.
               "A String",
@@ -305,6 +303,9 @@
       "labels": { # Labels to apply to this instance. These can be later modified by the setLabels method.
         "a_key": "A String",
       },
+      "lastStartTimestamp": "A String", # [Output Only] Last start timestamp in RFC3339 text format.
+      "lastStopTimestamp": "A String", # [Output Only] Last stop timestamp in RFC3339 text format.
+      "lastSuspendedTimestamp": "A String", # [Output Only] Last suspended timestamp in RFC3339 text format.
       "machineType": "A String", # Full or partial URL of the machine type resource to use for this instance, in the format: zones/zone/machineTypes/machine-type. This is provided by the client when the instance is created. For example, the following is a valid partial url to a predefined machine type:
           # zones/us-central1-f/machineTypes/n1-standard-1
           #
@@ -384,7 +385,7 @@
       "resourcePolicies": [ # Resource policies applied to this instance.
         "A String",
       ],
-      "scheduling": { # Sets the scheduling options for an Instance. NextID: 11 # Sets the scheduling options for this instance.
+      "scheduling": { # Sets the scheduling options for an Instance. NextID: 12 # Sets the scheduling options for this instance.
         "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
             #
             # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
@@ -395,6 +396,7 @@
             # For all VM shapes, this should result in fewer disruptions due to software updates and greater predictability via 1 week extended notifications.
             #
             # For GPU VMs, this should also result in an 2 week uptime guarantee. See go/stable-fleet-gpus-design for more details.
+        "maintenanceFreezeDurationHours": 42, # Specifies the number of hours after instance creation where the instance won't be scheduled for maintenance.
         "minNodeCpus": 42, # The minimum number of virtual CPUs this instance will consume when running on a sole-tenant node.
         "nodeAffinities": [ # A set of node affinity and anti-affinity configurations. Refer to Configuring node affinity for more information. Overrides reservationAffinity.
           { # Node Affinity: the configuration of desired nodes onto which this Instance could be scheduled.
@@ -406,7 +408,7 @@
           },
         ],
         "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
-        "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
+        "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation or while the instance is stopped and therefore, in a `TERMINATED` state. See Instance Life Cycle for more information on the possible instance states.
       },
       "selfLink": "A String", # [Output Only] Server-defined URL for this resource.
       "selfLinkWithId": "A String", # [Output Only] Server-defined URL for this resource with the resource id.
@@ -450,7 +452,7 @@
         "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
       },
       "startRestricted": True or False, # [Output Only] Whether a VM has been restricted for start because Compute Engine has detected suspicious activity.
-      "status": "A String", # [Output Only] The status of the instance. One of the following values: PROVISIONING, STAGING, RUNNING, STOPPING, STOPPED, SUSPENDING, SUSPENDED, and TERMINATED.
+      "status": "A String", # [Output Only] The status of the instance. One of the following values: PROVISIONING, STAGING, RUNNING, STOPPING, SUSPENDING, SUSPENDED, REPAIRING, and TERMINATED.
       "statusMessage": "A String", # [Output Only] An optional, human-readable explanation of the status.
       "tags": { # A set of instance tags. # Tags to apply to this instance. Tags are used to identify valid sources or targets for network firewalls and are specified by the client during instance creation. The tags can be later modified by the setTags method. Each tag within the list must comply with RFC1035. Multiple tags can be specified via the 'tags.items' field.
         "fingerprint": "A String", # Specifies a fingerprint for this request, which is essentially a hash of the tags' contents and used for optimistic locking. The fingerprint is initially generated by Compute Engine and changes after every request to modify or update tags. You must always provide an up-to-date fingerprint hash in order to update or change tags.