Bump actions/checkout from 5 to 6 in the actions group (#53)

* Bump actions/checkout from 5 to 6 in the actions group

Bumps the actions group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 5 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

* do not persist git credentials when not needed

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Brendan <2bndy5@gmail.com>

Author: dependabot[bot]

.github/workflows/cpp-lint-action.yml

@@ -16,8 +16,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     container: ${{ matrix.os == 'ubuntu-latest' && 'ubuntu:latest' || '' }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
+          persist-credentials: false
           submodules: ${{ matrix.os != 'ubuntu-latest' }}
           repository: cpp-linter/test-cpp-linter-action
 

.github/workflows/cpp-lint-package.yml

@@ -21,8 +21,9 @@ jobs:
 
     steps:
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
+          persist-credentials: false
           submodules: true
 
       - uses: actions/setup-python@v6