wu_ros_tools: 0.2.2-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `wu_ros_tools` to `0.2.2-0`:

- upstream repository: https://github.com/DLu/wu_ros_tools
- release repository: https://github.com/wu-robotics/wu_ros_tools.git
- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.11`
- previous version for package: `0.2.1-0`