update workflow

Author: liqing-ustc

.github/workflows/build_vue.yml

@@ -6,6 +6,12 @@ on:
   pull_request:
     branches: [ page ]
 
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+
 jobs:
   build_vue:
     runs-on: ubuntu-latest