Merge pull request #25 from mbeddr/renovate/actions-checkout-4.x

Update actions/checkout action to v4

Author: Alexander Pann

.github/workflows/publish_doc.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           fetch-depth: 0
           ssh-key: ${{ secrets.KEY }}