deps(deps): bump actions/checkout from 6 to 7 in the core-actions group

Bumps the core-actions 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: core-actions
...

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

Author: dependabot[bot]

.github/workflows/publish-package.yml

@@ -32,7 +32,7 @@ jobs:
     outputs:
       wheel-distribution: ${{ steps.wheel-distribution.outputs.path }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with: { fetch-depth: 0 } # deep clone for setuptools-scm
       - uses: actions/setup-python@v6
         id: setup-python
@@ -68,7 +68,7 @@ jobs:
         # - windows-latest
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Setup git user
         run: |
             git config --global user.name "$(git --no-pager log --format=format:'%an' -n 1)"