cob_robots: 0.5.2-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `cob_robots` to `0.5.2-0`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.2`
- previous version for package: `0.5.1-4`

## cob_bringup

```
* fix robot_ip address
* add parameter remapping for robot_description
* Contributors: Felix
```

## cob_controller_configuration_gazebo

- No changes

## cob_default_robot_config

- No changes

## cob_hardware_config

- No changes

## cob_monitoring

- No changes

## cob_robots

- No changes