Bump actions/checkout from 3 to 4 (#74)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Hynek Schlawack <[email protected]>

Author: dependabot[bot]

.github/workflows/update-dependencies.yml

@@ -17,7 +17,7 @@ jobs:
       # It doesn't matter if it's deleted when merged, it'll be re-created
       BRANCH_NAME: auto-dependency-upgrades
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # START PYTHON DEPENDENCIES
       - uses: actions/setup-python@v4