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/main.yaml

@@ -29,7 +29,7 @@ jobs:
     steps:
       # Checkout current git repository
       - name: Checkout
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.5
         with:
           # fetch all history so that setuptools-scm works
           fetch-depth: 0