Adds support for 1.21.9-11. Fixes the malformed pack.mcmeta from v25.09.25

Updates the datapack with an overlay for Minecraft 1.21.5

Adds an overlay to make this pack compatible with Minecraft 1.21

Initial release:

• runs a function on any piglin that picks up an enchanted golden apple that will keep them from being zombified when they travel to the overworld or end
• works on Minecraft 1.16.2+ (tested all the way up to 1.20.5-pre1)