Try Python 3.9 for Cloud Run deploy, refs #1923

.github/workflows/deploy-latest.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: "3.11"
+        python-version: "3.9"
     - uses: actions/cache@v3
       name: Configure pip caching
       with: