chore: bump actions/checkout from 3 to 4 (#197)

Author: dependabot[bot]

.github/workflows/code-health.yml

@@ -13,7 +13,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}