fix: [Many APIs] Resolve AttributeError 'Credentials' object has no attribute 'universe_domain'#12266

parthea merged 7 commits intomaingoogleapis/google-cloud-python:mainfrom

owl-bot-copy-49d3c74b11fdd6293619googleapis/google-cloud-python:owl-bot-copy-49d3c74b11fdd6293619Copy head branch name to clipboard