Add git push

Author: holtskinner

.github/workflows/update-a2a-types.yml

@@ -72,6 +72,7 @@ jobs:
           git config user.email "a2a-bot@google.com"
           git add ${{ steps.vars.outputs.GENERATED_FILE }} src/a2a/grpc/
           git diff --cached --exit-code || git commit -m "feat: Update A2A types from specification 🤖"
+          git push
         env:
           GITHUB_TOKEN: ${{ secrets.A2A_BOT_PAT }}