build(github): update actions/checkout to v6.0.1

Author: renovate-bot

.github/workflows/renovate.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.1
       - name: Run renovate
         uses: renovatebot/[email protected]
         env: