ci: polish integration workflow

Author: bky373

.github/workflows/integration.yaml

@@ -53,23 +53,16 @@ jobs:
     continue-on-error: true
 
     permissions:
-      contents: write
+      contents: read
       pull-requests: write
 
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: '20'
-
-      - name: Create package.json
-        run: echo '{}' > package.json
-
-      - name: Install dependencies
-        run: npm install @octokit/rest node-fetch
+      - run: echo '{}' > package.json
+      - run: npm install @octokit/rest node-fetch
 
       - name: Detect languages and add labels
         env: