Merge pull request #4 from dimension-sh/renovate/actions-checkout-4.x

Update actions/checkout action to v4

.github/workflows/lint.yaml

@@ -11,7 +11,7 @@ jobs:
     name: "Markdown linting"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         name: Check out the code
       - name: Lint Code Base
         uses: docker://avtodev/markdown-lint:v1