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

gcloud auth application-default login/google-cloud-sdk/lib/surface/workstations/get_iam_policy.yaml

@@ -0,0 +1,30 @@
+- release_tracks: [GA, BETA, ALPHA]
+
+  help_text:
+    brief: Get the IAM policy for a workstation.
+    description: |
+      *{command}* displays the IAM policy associated with a given workstation. If formatted as
+      JSON, the output can be edited and used as a policy file for set-iam-policy. The output
+      includes an "etag" field identifying the version emitted and allowing detection of concurrent
+      policy updates; see
+      $ {parent} set-iam-policy for additional details.
+
+    examples: |
+      To get the IAM policy for a given workstation, run:
+
+        $ {command} WORKSTATION
+
+  arguments:
+    resource:
+      spec: !REF googlecloudsdk.command_lib.workstations.resources:workstation
+      help_text: |
+        The workstation for which to display the IAM policy.
+
+  request:
+    GA:
+      api_version: v1
+    BETA:
+      api_version: v1beta
+    ALPHA:
+      api_version: v1beta
+    collection: workstations.projects.locations.workstationClusters.workstationConfigs.workstations