Uses tags for the cave and mineshaft detection instead of hard-coded block lists

Uses tags for the cave and mineshaft detection instead of hard-coded block lists

• Updated to 1.20
• Due to the removal of the block material system from the game, caves composed of modded block will NOT be detected

• Updated to 1.20
• Due to the removal of the block material system from the game, caves composed of modded block will NOT be detected

• Better cave detection