Explicitly state PolyScope X compatibility (backport #1563)

[mergify]

I tried browsing through the documentation trying to make it clear that PolyScope X is supported by this library.

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This is an automatic backport of pull request #1563 done by Mergify.

[mergify]

Cherry-pick of 6968ae0 has failed:

On branch mergify/bp/jazzy/pr-1563
Your branch is up to date with 'origin/jazzy'.

You are currently cherry-picking commit 6968ae0.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   README.md
	modified:   ur_calibration/package.xml
	modified:   ur_controllers/package.xml
	modified:   ur_dashboard_msgs/package.xml
	modified:   ur_moveit_config/package.xml
	modified:   ur_robot_driver/doc/usage/simulation.rst

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   ur_robot_driver/package.xml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally