Bump actions/checkout from 5 to 6 (#1235)

Bumps [actions/checkout](https://github.com/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
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jad Chaar <jadchaar@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/continuous_integration.yml

@@ -25,7 +25,7 @@ jobs:
           - os: windows-latest
             path: ~\AppData\Local\pip\Cache
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Cache pip
         uses: actions/cache@v4
         with:
@@ -56,7 +56,7 @@ jobs:
     name: Linting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: ~/.cache/pip

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
   release-to-pypi:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: ~/.cache/pip