Update workshop to 1.29

[JoeNorth]

Is your feature request related to a problem? Please describe.
The current version of the workshop is 1.26. As of 06/11 this is now in extended support.

Describe the solution you'd like
Update the workshop to 1.29

Describe alternatives you've considered
Updating to 1.30 would be ideal however the ADOT addon is not yet updated to support 1.30 and so is a blocker.

Additional context