roscpp_core: 0.5.2-0 in 'indigo/distribution.yaml' [bloom]

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

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.10`
- previous version for package: `0.5.1-0`

## cpp_common

```
* find_package console_bridge with REQUIRED (#23 <https://github.com/ros/roscpp_core/issues/23>)
```

## roscpp_serialization

- No changes

## roscpp_traits

- No changes

## rostime

- No changes