Merge pull request #5 from gjsjohnmurray/patch-2

Update GitHub Actions runner to ubuntu-latest

Author: evshvarov

.github/workflows/build-push-gcr.yaml

@@ -23,7 +23,7 @@ env:
 jobs:
   deploy-cloud-run:
     name: Deploy to Cloud Run
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - name: Checkout
       uses: actions/checkout@v2