Bump actions/checkout from 4.1.5 to 4.1.6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.5 to 4.1.6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.5...v4.1.6)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/linter.yml

@@ -17,14 +17,14 @@ jobs:
     name: Check documentation external links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.5
+      - uses: actions/checkout@v4.1.6
       - name: Check broken links
         uses: gaurav-nelson/github-action-markdown-link-check@1.0.15
   check-super-linter:
     name: Check syntax (super-linter)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.5
+      - uses: actions/checkout@v4.1.6
       - name: Run super-linter validation
         uses: github/super-linter@v5.0.0
         env:

.github/workflows/on-demand_ci.yml

@@ -29,7 +29,7 @@ jobs:
     name: Check scripts format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.5
+      - uses: actions/checkout@v4.1.6
       - name: Run the sh-checker
         uses: luizm/action-sh-checker@v0.8.0
         env:
@@ -42,7 +42,7 @@ jobs:
     needs: check-scripts-format
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4.1.5
+      - uses: actions/checkout@v4.1.6
       - name: Deploy Nephio services
         working-directory: ./scripts
         env: