standardrb: don't autofix

.gitea/workflows/demo.yaml

@@ -10,8 +10,17 @@ jobs:
       checks: write
       contents: write
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Ruby Setup
+        uses: ruby/setup-ruby@v1
+
+      - run: bundle install
+
       - name: Standard Ruby
-        uses: standardrb/standard-ruby-action@v1
+        run: bundle exec standardrb
+
 
   test:
     needs: link