fix(api-core): drop support for Python 3.9#16980

chalmerlowe merged 21 commits into

maingoogleapis/google-cloud-python:mainfrom

feat/drop-python-3.7-3.9-google-api-coregoogleapis/google-cloud-python:feat/drop-python-3.7-3.9-google-api-coreCopy head branch name to clipboard