QuickStart buttons for Unity Registry feature sets links to outdated documentation

Steps to reproduce:

1. Open a Unity project
2. Open the Package Manager via Window > Package Manager
3. Open the Unity Registry section
4. Select '3D Characters and Animation' under the Features subheading
5. In the Details View, click on the 'QuickStart' button

Actual results: The documentation for the feature set that is opened is for 2021.2

Expected results: The documentation for the feature set that is opened is for the current Unity Version opened (e.g. Unity 6 Preview (6000.0) when in version 6000.0.15f1)

Reproducible with versions: 6000.0.15f1, 2021.3.43f1, 2022.3.43f1

Not reproducible with versions: - 

Can’t test with versions: - 

Tested on (OS): Windows 10/11

Notes:

• Some QuickStart buttons for the different feature sets link to different documentation versions. Only 2D links to the correct version: 
  • 2D -> links to correct version
  • 3D Characters and Animation -> 2021.2
  • 3D World Building -> 2021.2
  • AR -> 2023.2
  • Cinematic Studio -> 2021.2
  • Engineering -> 2021.2
  • Gameplay and Storytelling -> 2021.2
  • Mobile -> 2021.2
  • VR -> 2023.2