Candy Wrapper

• Update dependences.

• Add support for 1.21.6 - 1.21.8.

• Add LivingEntity.setDead(boolean).

• Rename BossBarManager.contains(Identifier) to BossBarManager.containsKey(Identifier).

• Fix NbtComponent.copyFrom(NbtComponent) does not change the origin NbtComponent.

• Remove NbtCompound.values() because it was added in vanilla.

• Add NbtComponent.copyFrom(NbtComponent).

Breaking changes. Do not use with old mods.

• Remove ItemStack.getCustomId(), ItemStack.getCustomIdOrId(), ItemStack.getCustomModifiers(), ItemStack.getCustomStatusEffects(), LivingEntity.getCustomModifiers(), LivingEntity.getCustomModifiers(String), LivingEntity.getCustomModifiedValue(String, double).