[UPDATE] Guard against no code change

.github/workflows/dokka.yml

@@ -54,7 +54,13 @@ jobs:
           git config --local user.name "GitHub Actions [bot]"
           git config --local user.email "actions@users.noreply.github.com"
           git add docs/
-          git commit -m "Update Dokka HTML documentation"
-          git push origin main
+          
+          # Check if there are any changes staged
+          if ! git diff --cached --exit-code >/dev/null; then
+            git commit -m "Update Dokka HTML documentation"
+            git push origin main
+          else
+            echo "No changes to commit."
+          fi
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}