OptiFine 1.21.11_HD_U_J9

 - fixed new version check message
 - added random entities seedOffset and seedSource
 - fixed random entities property parsing
 - added CEM models for copper golem statues
 - fixed BlockModel getters to match record field names (reobfuscation)
 - fixed CEM warm chicken and warm pig
 - fixed CEM dragon eyes layer
 - fixed CEM leash offset and shadow offset
 - fixed CEM villager, breee eyes, pig/strider saddle, happy ghast ropes
 - added CEM sheep wool undercoat, fixed dragon eyes, tropical fish
 - fixed CEM villager, zombie villager, warden and breeze models
 - fixed CEM camel and horse saddle animation
 - added CEM models nautilus, zombie_nautilus and zombie_nautilus_coral
 - added CEM models copper_golem, happy_ghast and parched
 - removed fallback of CEM baby horse/donkey/mule models to adult model
 - added CEM warm/cold variants of chicken, cow and pig
 - added CEM saddle models, camel husk, undead horse armor
 - fixed CIT initialization to detect failed model loading
 - fixed emissive CTM compact (#8111)
 - fixed shaders terrain textureMatrix in shadow pass (#8113)
 - fixed custom CIT models using block textures (#8110)
 - fixed shaders normal/specular initialization (#8112)
 - fixed stuttering clouds (#8109)
 - compatible with Forge 61.0.8