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

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

@@ -0,0 +1,28 @@
+- release_tracks: [ALPHA]
+
+  help_text:
+    brief: Get the IAM policy for a project.
+    description: |
+      *{command}* displays the IAM policy associated with a project.
+      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 print the IAM policy for a given project, run:
+
+        $ {command} my-project
+
+  request:
+    collection: cloudresourcemanager.projects
+    use_relative_name: false
+
+  arguments:
+    resource:
+      help_text: The project for which to display the IAM policy.
+      spec: !REF googlecloudsdk.command_lib.projects.resources:project
+
+  iam:
+    policy_version: 3
+    get_iam_policy_version_path: getIamPolicyRequest.options.requestedPolicyVersion