ci: 修复GitHub Actions权限和rebase问题

.github/workflows/deploy.yml

@@ -92,7 +92,11 @@ jobs:
       continue-on-error: true
       run: |
         git fetch origin main
+        # stash任何未提交的更改，避免rebase失败
+        git stash push -m "temp stash for rebase"
         git rebase origin/main
+        # 恢复stash的更改
+        git stash pop || true
         if ! git log --oneline -1 | grep -q "\[skip ci\]"; then
           echo "No auto-commits to push"
         else