chore: add kokoro 3.9 config templates#379

gcf-merge-on-green[bot] merged 1 commit intomastergoogleapis/python-firestore:masterfrom

owl-bot-update-lock-df50e8d462f86d6bcb42f27ecad55bb12c404f1c65de9c6fe4c4d25120080bd6googleapis/python-firestore:owl-bot-update-lock-df50e8d462f86d6bcb42f27ecad55bb12c404f1c65de9c6fe4c4d25120080bd6Copy head branch name to clipboard