chore: [google-cloud-deploy] Add missing field-behavior annotations (#13513)

BEGIN_COMMIT_OVERRIDE
chore: Add missing field-behavior annotations
docs: Minor documentation improvements
END_COMMIT_OVERRIDE

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docs: Minor documentation improvements

PiperOrigin-RevId: 725406271

Source-Link:
googleapis/googleapis@04132de

Source-Link:
googleapis/googleapis-gen@5586840
Copy-Tag:
eyJwIjoicGFja2FnZXMvZ29vZ2xlLWNsb3VkLWRlcGxveS8uT3dsQm90LnlhbWwiLCJoIjoiNTU4Njg0MDA1MDMyMjE3NGZkYzlhNmViMGQzNjgwOTIwNDk4OWU4YiJ9

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

packages/google-cloud-deploy/google/cloud/deploy_v1/services/cloud_deploy/transports/rest_base.py

@@ -2509,6 +2509,10 @@ def _get_http_options():
                     "method": "get",
                     "uri": "/v1/{resource=projects/*/locations/*/customTargetTypes/*}:getIamPolicy",
                 },
+                {
+                    "method": "get",
+                    "uri": "/v1/{resource=projects/*/locations/*/deployPolicies/*}:getIamPolicy",
+                },
             ]
             return http_options
 
@@ -2545,6 +2549,11 @@ def _get_http_options():
                     "uri": "/v1/{resource=projects/*/locations/*/customTargetTypes/*}:setIamPolicy",
                     "body": "*",
                 },
+                {
+                    "method": "post",
+                    "uri": "/v1/{resource=projects/*/locations/*/deployPolicies/*}:setIamPolicy",
+                    "body": "*",
+                },
             ]
             return http_options