Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/docker-publish.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set env
         run: echo "TAG=$(echo $(date +%Y.%m.%d))" >> $GITHUB_ENV

.github/workflows/mega-linter.yml

@@ -32,7 +32,7 @@
       steps:
         # Git Checkout
         - name: Checkout Code
-          uses: actions/checkout@v3
+          uses: actions/checkout@v4
           with:
             token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
             fetch-depth: 0 # If you use VALIDATE_ALL_CODEBASE = true, you can remove this line to improve performances