Horse Buff

Thanks to joakibj for updating the mod!

Changes for 2.2.0

• Bumped version to 2.2.0
• Extended the EntityRenderState for rideable entities with id and flag for playerPassenger
• Extended the EntityModel for rideable and equippable models with flag for playerPassenger
• Prefixed Unique methods and fields with horsebuff modid
• Replaced accesswidener with Shadow fields and used Identifier.of instead of constructor
• Removed portalPatch config
• Updated mixin extras to 0.4.1
• Updated from java 17 to java 21 in gradle build
• Updated gradle wrapper to 8.11