Bump actions/checkout from 6 to 7 in the dependencies group (#173)

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


Updates `actions/checkout` from 6 to 7
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

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

Author: dependabot[bot]

.github/workflows/auto-template-creation.yml

@@ -63,7 +63,7 @@ jobs:
           path: toolbox
           fail-on-cache-miss: true
       - name: Clone pregenerated template repo
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           repository: vapor/${{ matrix.repository }}
           path: old-template-repo

.github/workflows/test-template.yml

@@ -45,7 +45,7 @@ jobs:
           lookup-only: true
       - name: Check out latest toolbox
         if: ${{ !steps.check.outputs.cache-hit }}
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           repository: vapor/toolbox
           ref: ${{ steps.latest.outputs.tag }}