The git add should abort, but not fail, in case of no-op.

Author: grafikrobot

.github/workflows/web-publish.yml

@@ -63,9 +63,9 @@ jobs:
         run: |
           git config user.email "ecostd"
           git config user.name "ecostd"
-          git add --verbose CONTRIBUTORS.adoc || exit 1
+          git add --verbose CONTRIBUTORS.adoc || exit 0
           git commit -m "Update generated information."
-          git push || exit 1
+          git push
       - name: Setup Pages
         uses: actions/configure-pages@main
       - name: Upload artifact