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

Author: renovate[bot]

.github/workflows/scip.yml

@@ -5,7 +5,7 @@ jobs:
   index:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with: