Bump actions/checkout from 3.3.0 to 4.1.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.3.0 to 4.1.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.3.0...v4.1.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/main.yml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: [ 3.7, 3.8, 3.9 ]
     steps:
-      - uses: actions/checkout@v3.3.0
+      - uses: actions/checkout@v4.1.1
       - name: Determine version
         id: get_version
         run: |