Update actions/setup-node action to v7

Author: renovate[bot]

.github/workflows/linter.yml

@@ -10,6 +10,6 @@ jobs:
     steps:
     - uses: actions/checkout@v7
     - name: Use Node.js
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@v7
     - run: npm install
     - run: npm run lint