Dev/patch - Future Release

temp changelog: ## CHANGED: - `entitytype` arg is now a Bukkit EntityType rather than Skript's EntityData - Added an `entitydata` arg for Skript's EntityData - Fixed `brig-arg` to work in the command tree section - Added a supplier for Skript's ClassInfo (Allowing to return `all brig args`) - Updated CommandAPI to support MC 1.21.4