Bump codecov/codecov-action from 4.5.0 to 5.1.2 (#726)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.5.0 to 5.1.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.5.0...v5.1.2)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  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>

.github/workflows/unit-tests.yml

@@ -51,7 +51,7 @@ jobs:
       run:
         coverage run -m pytest --e2e
     - name: Codecov
-      uses: codecov/codecov-action@v4.5.0
+      uses: codecov/codecov-action@v5.1.2
       with:
         name: codecov-robotidy
       if: always()