Bump actions/checkout from 4.0.0 to 4.1.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.0.0 to 4.1.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.0.0...v4.1.0)

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

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

.github/workflows/pythonpublish.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         submodules: recursive
     - name: Set up Python

.github/workflows/tests.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}