Add toggle to axolotl to prevent attacking squids

[Roan-V]

Add toggle to axolotl to prevent attacking squids.
https://discord.com/channels/685683385313919172/720375089123688488/788816674555822110

(Toggle to prevent attacking all fish)
https://discord.com/channels/289587909051416579/555469074080202765/788894843161804842

[granny]

We've made a data pack that makes axolotls ignore passive aquatic mobs. https://modrinth.com/datapack/purpurpack-axolotls-ignore-passives

If you'd like to configure it more to your liking, some guidelines are below.

A direct link to the current default values for each entity type tag.
https://minecraft.fandom.com/wiki/Tag#Entity_types

The paths & contents of the json files as of 1.18.2.

/data/minecraft/tags/entity_types/axolotl_hunt_targets.json

{
  "replace": true,
  "values": [
    "minecraft:tropical_fish",
    "minecraft:pufferfish",
    "minecraft:salmon",
    "minecraft:cod",
    "minecraft:squid",
    "minecraft:glow_squid"
  ]
}

/data/minecraft/tags/entity_types/axolotl_always_hostiles.json

{
  "replace": true,
  "values": [
    "minecraft:drowned",
    "minecraft:guardian",
    "minecraft:elder_guardian"
  ]
}