rqt_tf_tree: 0.6.1-1 in 'noetic/distribution.yaml' [bloom]

[dirk-thomas]

Increasing version of package(s) in repository rqt_tf_tree to 0.6.1-1:

• upstream repository: https://github.com/ros-visualization/rqt_tf_tree.git
• release repository: https://github.com/ros-gbp/rqt_tf_tree-release.git
• distro file: noetic/distribution.yaml
• bloom version: 0.9.3
• previous version for package: null

rqt_tf_tree

* bump CMake minimum version to avoid CMP0048 warning
* remove unused dependencies (#15 <https://github.com/ros-visualization/rqt_tf_tree/issues/15>)
* minor cleanup (#12 <https://github.com/ros-visualization/rqt_tf_tree/issues/12>)