Bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -5,7 +5,7 @@ jobs:
     name: Build distribution
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with:

.github/workflows/test.yml

@@ -48,7 +48,7 @@ jobs:
     - name: Double-check Python version
       run: |
         python --version
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Install Python package
       run: |
         python -m pip install .
@@ -69,7 +69,7 @@ jobs:
     - name: Double-check Python version
       run: |
         python --version
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: Install doc dependencies