feat: Add new gcloud commands, API clients, and third-party libraries across various services.

gcloud auth application-default login/google-cloud-sdk/lib/surface/filestore/snapshots/update.yaml

@@ -0,0 +1,55 @@
+- help_text:
+    brief: |
+      Update a Filestore snapshot.
+    description: |
+      Update the metadata of a Filestore snapshot.
+
+      This command can fail for the following reasons:
+        * The snapshot specified does not exist.
+        * The active account does not have permission to update the given
+          snapshot.
+    examples: |
+      The following command updates the Filestore Snapshot named 'my-snapshot' in region
+      us-central1 to change the description to 'A new description.'
+
+       $ {command} my-snapshot --region=us-central1 --description="A new description."
+
+  arguments:
+    params:
+    - arg_name: snapshot
+      is_positional: true
+      help_text: |
+        Arguments and flags that specify the Filestore snapshot you want to
+        update.
+    - group:
+        mutex: true
+        required: true
+        params:
+        - arg_name: zone
+          help_text: |
+            Compute zone (e.g. us-central1-c) for the snapshot.
+        - arg_name: region
+          help_text: |
+            Compute region (e.g. us-central1) for the snapshot.
+    - arg_name: description
+      api_field: snapshot.description
+      help_text: |
+        Description of the snapshot.
+    additional_arguments_hook: googlecloudsdk.command_lib.filestore.update_util:UpdateLabelsFlags
+
+  response:
+    modify_response_hooks:
+    - googlecloudsdk.command_lib.filestore.snapshots.update_util:FormatSnapshotUpdateResponse
+
+  async:
+    collection: file.projects.locations.operations
+
+  request:
+    api_version: v1p1alpha1
+    display_resource_type: snapshot
+    collection: file.projects.locations.snapshots
+    modify_request_hooks:
+    - googlecloudsdk.command_lib.filestore.snapshots.util:FormatSnapshotAccessRequest
+    - googlecloudsdk.command_lib.filestore.snapshots.update_util:GetExistingSnapshot
+    - googlecloudsdk.command_lib.filestore.snapshots.update_util:AddDescription
+    - googlecloudsdk.command_lib.filestore.snapshots.update_util:UpdateLabels