ci(gh-pages): update GitHub Pages workflow

Author: lzwjava

.github/workflows/gh-pages.yml

@@ -218,7 +218,11 @@ jobs:
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git add .
           git diff --cached --quiet || git commit -m "Add generated audio files"
-          git push
+          git push || {
+            echo "Push failed, attempting pull and merge"
+            git pull --rebase
+            git push
+          }
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}