Bump codecov/codecov-action from 4.5.0 to 5.0.2 (#34)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.5.0 to 5.0.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@e28ff12...5c47607)

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

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

.github/workflows/pre-submit.units.yml

@@ -50,7 +50,7 @@ jobs:
         run: |
           make go-test
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@e28ff129e5465c2c0dcc6f003fc735cb6ae0c673 # v4.5.0
+        uses: codecov/codecov-action@5c47607acb93fed5485fdbf7232e8a31425f672a # v5.0.2
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: coverage.out