yocs_msgs: 0.5.2-1 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `yocs_msgs` to `0.5.2-1`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.9`
- previous version for package: `0.5.2-0`

## yocs_msgs

```
* Move YOCS messages to its own stack.
```