Bump actions/checkout from 4.1.4 to 4.1.5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.4 to 4.1.5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.4...v4.1.5)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/darker.yaml

@@ -6,7 +6,7 @@ jobs:
   lint-with-darker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.4
+      - uses: actions/checkout@v4.1.5
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v5

.github/workflows/docs.yaml

@@ -36,13 +36,13 @@ jobs:
       SPHINX_WARNINGS_AS_ERROR: 'true'
       SPHINX_OPTS: "-v"
     steps:
-    - uses: actions/checkout@v4.1.4
+    - uses: actions/checkout@v4.1.5
       with:
         fetch-depth: '0'
         # if we upload to ghpages we need the full
         # history to generate correct version info
       if: ${{ fromJSON(env.UPLOAD_TO_GHPAGES) }}
-    - uses: actions/checkout@v4.1.4
+    - uses: actions/checkout@v4.1.5
       if: ${{ !fromJSON(env.UPLOAD_TO_GHPAGES) }}
     - name: set-sphinx-opts
       run: |

.github/workflows/pytest.yaml

@@ -33,7 +33,7 @@ jobs:
       PYTHON: ${{ matrix.python-version }}
 
     steps:
-    - uses: actions/checkout@v4.1.4
+    - uses: actions/checkout@v4.1.5
       with:
         submodules: true
     - name: setup ubuntu-latest xvfb

.github/workflows/upload_to_pypi.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: pypi-release-env
     steps:
-    - uses: actions/checkout@v4.1.4
+    - uses: actions/checkout@v4.1.5
     - name: Set up Python
       uses: actions/setup-python@v5
       with: