Bump codecov/codecov-action from 2 to 3

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2 to 3.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v2...v3)

---
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>

.github/workflows/unit-tests.yml

@@ -28,7 +28,7 @@ jobs:
                 run:
                     scripts/uploadReport.sh "${{ secrets.LOG_USERNAME }}" "${{ secrets.LOG_PASSWORD }}" ${{github.event.number}} "test" "Unit" ${{github.event.number}} ${{ secrets.GITHUB_TOKEN }}
             -   name: Upload coverage to codecov
-                uses: codecov/codecov-action@v2
+                uses: codecov/codecov-action@v3
                 with:
                     token: ${{ secrets.CODECOV_TOKEN }}
                     flags: unit