Effect Gems V1.2.4

Updated to Minecraft 1.21.3
Datapack now works on the latest version of Minecraft

Added Gamingbarn's Zombies support
The datapack can now be played alongside GBZ

Changed from Custom Model Data to Item Model
Now, the resource pack won't conflict with others that modify white dye, like Gamingbarn's Guns

Changed Gem Zombie spawning system
The spawning system is now random, as opposed to set


