fix: require python 3.7+#67

parthea merged 5 commits into

maingoogleapis/python-cloud-common:mainfrom

owl-bot-update-lock-e7bb19d47c13839fe8c147e50e02e8b6cf5da8edd1af8b82208cd6f66cc2829cgoogleapis/python-cloud-common:owl-bot-update-lock-e7bb19d47c13839fe8c147e50e02e8b6cf5da8edd1af8b82208cd6f66cc2829cCopy head branch name to clipboard