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/build.yml

@@ -10,7 +10,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install Poetry
         uses: snok/install-poetry@v1
       - name: Build

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     name: Pre-commit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
@@ -56,7 +56,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.py }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install tox-gh
         run: python -m pip install tox-gh
@@ -91,7 +91,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup python for test ${{ matrix.py }}
         uses: actions/setup-python@v5
         with: