rtmros_nextage: 0.2.8-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `rtmros_nextage`:
- previous version: `0.2.7-0`
- new version: `0.2.8-0`
- distro file: `hydro/distribution.yaml`
- bloom version: `0.4.8`