feat: update release level to stable (googleapis#14226)

BEGIN_COMMIT_OVERRIDE
feat: update release level to stable
feat: set `google.shopping.merchant_quota_v1` as the default import for
`google.shopping.merchant_quota`

Release-As: 1.0.0
END_COMMIT_OVERRIDE

Author: parthea

packages/google-shopping-merchant-quota/.repo-metadata.json

@@ -5,13 +5,13 @@
     "product_documentation": "https://developers.google.com/merchant/api",
     "client_documentation": "https://googleapis.dev/python/google-shopping-merchant-quota/latest",
     "issue_tracker": "https://issuetracker.google.com/issues/new?component=171084&template=555201",
-    "release_level": "preview",
+    "release_level": "stable",
     "language": "python",
     "library_type": "GAPIC_AUTO",
     "repo": "googleapis/google-cloud-python",
     "distribution_name": "google-shopping-merchant-quota",
     "api_id": "merchantapi.googleapis.com",
-    "default_version": "v1beta",
+    "default_version": "v1",
     "codeowner_team": "",
     "api_shortname": "merchantapi"
 }

packages/google-shopping-merchant-quota/README.rst

@@ -1,14 +1,14 @@
 Python Client for Shopping Merchant Quota
 =========================================
 
-|preview| |pypi| |versions|
+|stable| |pypi| |versions|
 
 `Shopping Merchant Quota`_: Programmatically manage your Merchant Center accounts.
 
 - `Client Library Documentation`_
 - `Product Documentation`_
 
-.. |preview| image:: https://img.shields.io/badge/support-preview-orange.svg
+.. |stable| image:: https://img.shields.io/badge/support-stable-gold.svg
    :target: https://github.com/googleapis/google-cloud-python/blob/main/README.rst#stability-levels
 .. |pypi| image:: https://img.shields.io/pypi/v/google-shopping-merchant-quota.svg
    :target: https://pypi.org/project/google-shopping-merchant-quota/

packages/google-shopping-merchant-quota/docs/index.rst

@@ -3,24 +3,24 @@
 .. include:: multiprocessing.rst
 
 This package includes clients for multiple versions of Shopping Merchant Quota.
-By default, you will get version ``merchant_quota_v1beta``.
+By default, you will get version ``merchant_quota_v1``.
 
 
 API Reference
 -------------
 .. toctree::
     :maxdepth: 2
 
-    merchant_quota_v1beta/services_
-    merchant_quota_v1beta/types_
+    merchant_quota_v1/services_
+    merchant_quota_v1/types_
 
 API Reference
 -------------
 .. toctree::
     :maxdepth: 2
 
-    merchant_quota_v1/services_
-    merchant_quota_v1/types_
+    merchant_quota_v1beta/services_
+    merchant_quota_v1beta/types_
 
 
 Changelog

packages/google-shopping-merchant-quota/google/shopping/merchant_quota/__init__.py

@@ -18,13 +18,13 @@
 __version__ = package_version.__version__
 
 
-from google.shopping.merchant_quota_v1beta.services.quota_service.async_client import (
+from google.shopping.merchant_quota_v1.services.quota_service.async_client import (
     QuotaServiceAsyncClient,
 )
-from google.shopping.merchant_quota_v1beta.services.quota_service.client import (
+from google.shopping.merchant_quota_v1.services.quota_service.client import (
     QuotaServiceClient,
 )
-from google.shopping.merchant_quota_v1beta.types.quota import (
+from google.shopping.merchant_quota_v1.types.quota import (
     ListQuotaGroupsRequest,
     ListQuotaGroupsResponse,
     MethodDetails,