Update sync.yml

.github/workflows/sync.yml

@@ -31,11 +31,13 @@ jobs:
       - name: Copy Gitea repository content excluding workflows
         run: |
           rsync -av --exclude='.github/workflows' gitea_repo/ .
-          
+
       - name: Commit and push changes to GitHub
         env:
           GH_TOKEN: ${{ secrets.GH_TOKEN }}
         run: |
+          git rm -r --cached gitea_repo
+          git pull --rebase
           git add -A
           git commit -m "Sync from Gitea repository" || echo "No changes to commit"
           git push https://${{ secrets.GH_TOKEN }}@github.com/${{ github.repository }}.git HEAD:${{ github.ref }}