Update pentobi to 14.1

Summary:
New since 13.1:
-Reduced maximum memory usage to a quarter instead of a third of the total system memory.

• Increased playing strength in almost all game variants (except for Nexos), especially in Trigon, GembloQ and Callisto.
• Duo now uses the colors purple/orange.
• Junior now uses the colors green/orange.
• File format: accept whitespaces before and after property identifiers.

Bugfixes:

• Fixed a potential race condition during move generation.
• Dot indicating color to play in orientation selector was not always updated correctly after loading a file of a different game variant.

Test Plan:

• Start game, save, open saved game
• Play the game. Use both play button (computer moves instead of user) or manual
• Export as image
• Open and browse help

Reviewers: Triage Team, sunnyflunk

Reviewed By: Triage Team, sunnyflunk

Differential Revision: https://dev.solus-project.com/D1897