noetic-devel branch contains mostly submodules with melodic-devel set as branch

[Heenne]

These submodules are all melodic-devel

[submodule "ur/ur_msgs"]
path = ur/ur_msgs
url = https://github.com/ros-industrial/ur_msgs.git
branch = melodic-devel
[submodule "panda_hardware_helper/franka_ros"]
path = panda/franka_ros
url = https://github.com/frankaemika/franka_ros.git
branch = melodic-devel
[submodule "panda_hardware_helper/panda_moveit_config"]
path = panda/panda_moveit_config
url = https://github.com/ros-planning/panda_moveit_config.git
branch = melodic-devel
[submodule "mir/mir_submodules/realsense_gazebo_plugin"]
path = mir/mir_submodules/realsense_gazebo_plugin
url = https://github.com/pal-robotics/realsense_gazebo_plugin.git
branch = melodic-devel