ci: bump the action-major group with 2 updates (#93)

Bumps the action-major group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv).


Updates `actions/checkout` from 4 to 7
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4...v7)

Updates `astral-sh/setup-uv` from 3 to 7
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](https://github.com/astral-sh/setup-uv/compare/v3...v7)

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

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

.github/workflows/dependabot-uv.yaml

@@ -13,12 +13,12 @@ jobs:
     runs-on: ubuntu-latest
     if: github.actor == 'dependabot[bot]'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           ref: ${{ github.event.pull_request.head.ref }}
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v7
 
       - name: Update uv.lock and requirements.txt
         run: |