fix: fatal: You are not currently on a branch.

.github/workflows/update-submodule-files.yml

@@ -44,4 +44,5 @@ jobs:
         run: |
           git add .
           git commit -m "Update files based on submodule changes"
-          git push
+          git pull --rebase origin ${{ github.event.pull_request.head.ref }}
+          git push origin HEAD:${{ github.event.pull_request.head.ref }}