Bump codecov/codecov-action from 5.4.0 to 5.4.2 (#10)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.4.0 to 5.4.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v5.4.0...v5.4.2)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 5.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/coverage.yml

@@ -38,7 +38,7 @@ jobs:
         run: just test-coverage-codecov
 
       - name: Upload coverage to Codecov
-        uses: codecov/[email protected].0
+        uses: codecov/[email protected].2
         with:
           files: codecov.json
           fail_ci_if_error: true