Generate v21 stubs

Change-Id: Idcaa6aba4da6bf71e81bfec8ab51ed3f5bd11614

Author: BenRKarl

google/ads/googleads/client.py

@@ -31,7 +31,7 @@
 
 _SERVICE_CLIENT_TEMPLATE = "{}Client"
 
-_VALID_API_VERSIONS = ["v20", "v19", "v18"]
+_VALID_API_VERSIONS = ["v21", "v20", "v19", "v18"]
 _MESSAGE_TYPES = ["common", "enums", "errors", "resources", "services"]
 _DEFAULT_VERSION = _VALID_API_VERSIONS[0]
 

google/ads/googleads/v21/__init__.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+from google.ads.googleads.v21 import gapic_version as package_version
+
+__version__ = package_version.__version__
+
+from . import common
+from . import enums
+from . import errors
+from . import resources
+from . import services
+
+
+__all__ = (
+    "common",
+    "enums",
+    "errors",
+    "resources",
+    "services",
+)

google/ads/googleads/v21/common/__init__.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#