chore(deps): update actions/checkout action to v4.2.1

Author: renovate[bot]

.github/workflows/lighthouse-report.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.0
+        uses: actions/checkout@v4.2.1
 
       - name: Use Node.js
         uses: actions/setup-node@v4.0.4