fix ci

.github/workflows/autoupdate.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: xmake-io/github-action-setup-xmake@v1
         with:
-          xmake-version: latest
+          xmake-version: branch@master
 
       - name: Installation
         run: |

.github/workflows/sync_packagerefs.yml

@@ -16,8 +16,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: xmake-io/github-action-setup-xmake@v1
         with:
-          xmake-version: latest
-          actions-cache-folder: '.xmake-cache'
+          xmake-version: branch@master
 
       - name: Install SSH key
         uses: shimataro/ssh-key-action@v2