Update actions/checkout action to v4.1.4

Signed-off-by: milkmaker <milkmaker@mailcow.de>

.github/workflows/renovate_check-build.yml

@@ -8,7 +8,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout 📥
- uses: actions/checkout@v4.1.0
+ uses: actions/checkout@v4.1.4
  with:
  fetch-depth: '0' # https://github.com/timvink/mkdocs-git-revision-date-localized-plugin#note-when-using-build-environments