Bump the actions group with 2 updates (#86)

Bumps the actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [actions/download-artifact](https://github.com/actions/download-artifact).


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)

Updates `actions/download-artifact` from 6 to 7
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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/publish.yml

@@ -17,7 +17,7 @@ jobs:
       attestations: write
       id-token: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -39,7 +39,7 @@ jobs:
       id-token: write
     steps:
       - name: Download Distribution Artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           # The build-and-inspect-python-package action invokes upload-artifact.
           # These are the correct arguments from that action.

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.11", "3.12", "3.13"]
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with: