rqt_robot_plugins: 0.3.7-0 in 'groovy/distribution.yaml' [bloom]

Increasing version of package(s) in repository `rqt_robot_plugins` to `0.3.7-0`:

- upstream repository: https://github.com/ros-visualization/rqt_robot_plugins.git
- release repository: https://github.com/ros-gbp/rqt_robot_plugins-release.git
- distro file: `groovy/distribution.yaml`
- bloom version: `0.5.11`
- previous version for package: `0.3.3-0`

## rqt_moveit

- No changes

## rqt_nav_view

- No changes

## rqt_pose_view

- No changes

## rqt_robot_dashboard

- No changes

## rqt_robot_monitor

- No changes

## rqt_robot_plugins

- No changes

## rqt_robot_steering

- No changes

## rqt_runtime_monitor

- No changes

## rqt_rviz

```
* fix argument parsing (#68 <https://github.com/ros-visualization/rqt_robot_plugins/issues/68>) (regression of 0.3.5)
```

## rqt_tf_tree

- No changes