Bump actions/checkout from 4 to 5 (#807)

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
           python-version: '3.12'
       - name: Install build
         run: python -m pip install build
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Build package

.github/workflows/test.yml

@@ -26,7 +26,7 @@ jobs:
       matrix:
         python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
@@ -50,7 +50,7 @@ jobs:
       matrix:
         python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup system dependencies
         run: |
           sudo apt-get update
@@ -76,7 +76,7 @@ jobs:
         python-version: ['3.13']
       fail-fast: false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup system dependencies
         run: |
           sudo apt-get update
@@ -96,7 +96,7 @@ jobs:
   build-and-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-tags: true
       - uses: actions/setup-python@v5