rtt_ros_integration: 2.7.0-2 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `rtt_ros_integration` to `2.7.0-2`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.2`
- previous version for package: `2.7.0-1`