workflow: fix async to aliyun repo

.github/workflows/sync_repo.yml

@@ -12,6 +12,7 @@ jobs:
           git remote add aliyun "https://code.aliyun.com/wang0618/pywebio.git"
           git config credential.helper '!f() { sleep 1; echo "username=${ALIYUN_GIT_USER}"; echo "password=${ALIYUN_GIT_PASSWORD}"; }; f'
           git push -f -u aliyun --tags
+          git push -f -u aliyun
         env:
           ALIYUN_GIT_USER: ${{ secrets.ALIYUN_GIT_USER }}
           ALIYUN_GIT_PASSWORD: ${{ secrets.ALIYUN_GIT_PASSWORD }}