walkers 6.1
- fix Parrots get poison when eating cookies
- fix maxAmorToughness config option
- improve hitbox handling, handle scale attribute
- scale step height
- add CantFreeze trait
- add support for various minecraft entity type tags
- remove jump boost for slimes
- add AlexsCaves mobs to flying.json
- fix polar bear left arm
- support 1.21.4