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] <support@github.com>

Author: dependabot[bot]

.github/workflows/publish_to_pypi.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Clone repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0  # for version detection by hatch-vcs/setuptools_scm
     - name: Set up Python

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
           shell: bash -el {0}
       steps:
       - name: Clone
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - uses: conda-incubator/setup-miniconda@v3
@@ -28,7 +28,7 @@ jobs:
           activate-environment: parsac
       - run: pip install -v .
       - run: python -c "import parsac; print(parsac.__version__)"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           repository: 'gotm-model/code'
           ref: 'v6.0'