Bump actions/checkout in the actions group across 1 directory

Bumps the actions group with 1 update in the / directory: [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: actions
...

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

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -24,7 +24,7 @@ jobs:
           - python-version: "3.14"
             os: macos-26
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
@@ -66,7 +66,7 @@ jobs:
   #   strategy:
   #     fail-fast: false
   #   steps:
-  #     - uses: actions/checkout@v6
+  #     - uses: actions/checkout@v7
   #     - name: Install uv
   #       uses: astral-sh/setup-uv@v7
   #       with:
@@ -114,7 +114,7 @@ jobs:
       UV_SYSTEM_PYTHON: 1
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with: