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

Bumps the dependencies 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: dependencies
...

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -20,9 +20,9 @@ jobs:
     runs-on: ubuntu-latest
     container: swift:noble
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { path: console-kit }
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { repository: 'vapor/vapor', path: vapor }
       - run: swift package --package-path vapor edit console-kit --path console-kit
       - run: swift test --package-path vapor