Removed the main branch checkout token since cron will only trigger the main branch.

.gitea/workflows/maintenance.yaml

@@ -13,15 +13,10 @@ jobs:
     env:
       SPECIFIC_BRANCH: chore/update-pre-commit
     steps:
-    - run: echo "Actor ${{ github.actor }}"
-    - name: check is REPO_TOKEN_SERVER exists
-      env:
-        REPO_TOKEN_SERVER: ${{ secrets.REPO_TOKEN_SERVER }}
-      if: ${{ env.REPO_TOKEN_SERVER == '' }}
-      run: echo the secret "REPO_TOKEN_SERVER" has not been made; echo please go to
+    - name: Check actor
+      run: echo "Actor ${{ github.actor }}"
     - uses: actions/checkout@v4
       with:
-        ref: main
         token: ${{ secrets.REPO_TOKEN_SERVER }}
     - uses: actions/setup-python@v4
     - run: pip install pre-commit