ur_description: 2.1.8-2 in 'humble/distribution.yaml' [bloom]

[fmauch]

Increasing version of package(s) in repository ur_description to 2.1.8-2:

• upstream repository: https://github.com/UniversalRobots/Universal_Robots_ROS2_Description.git
• release repository: https://github.com/ros2-gbp/ur_description-release.git
• distro file: humble/distribution.yaml
• bloom version: 0.12.0
• previous version for package: 2.1.7-1

ur_description

* Add analog_output_domain_cmd command interface (baclport of #219 <https://github.com/UniversalRobots/Universal_Robots_ROS2_Description/issues/219>)
* Add a sensor for the TCP pose (backport of #197 <https://github.com/UniversalRobots/Universal_Robots_ROS2_Description/issues/197>)
* Add missing state interfaces for get_version service (backport of #216 <https://github.com/UniversalRobots/Universal_Robots_ROS2_Description/issues/216>)
* Ur3 infinite wrist (backport of #196 <https://github.com/UniversalRobots/Universal_Robots_ROS2_Description/issues/196>)
* Update dynamic properties (backport of #195 <https://github.com/UniversalRobots/Universal_Robots_ROS2_Description/issues/195>)
* Contributors: mergify[bot], Felix Exner, Rune Søe-Knudsen