chore: remove unnecessary permissions from test

Author: wangela

.github/workflows/test.yaml

@@ -31,8 +31,6 @@ jobs:
       (github.event_name == 'pull_request_review' &&
       github.event.review.state == 'approved')
     runs-on: ubuntu-latest
-    permissions:
-      contents: write
     steps:
       - uses: actions/checkout@v4
         if: github.actor != 'dependabot[bot]'