Preparing for Rolling sync 2021-07-15

It would be great if you could include rcdiscover: 1.1.4-1 in 'rolling/distribution.yaml' [bloom] by flixr · Pull Request #30227 · ros/rosdistro · GitHub as it includes a fix for an otherwise broken ROS installation: package.xml in wrong directory (noetic on focal) · Issue #1 · roboception-gbp/rcdiscover-release · GitHub