specify push branch

.github/workflows/e2e-tests.yml

@@ -76,6 +76,7 @@ jobs:
         run: |
           git config --local user.email "[email protected]"
           git config --local user.name "GitHub Action"
+          git checkout $GITHUB_HEAD_REF
           git add README.md
           git commit -m "chore: update coverage badge"
-          git push
+          git push origin $GITHUB_HEAD_REF