chore(deps): update dependency google-cloud-container to v2.12.0 (#299)
chore(deps): update dependency google-cloud-container to v2.12.0 (#299)


GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples