Head Browser 2.0.0+1.21.6

Migrate to use the "new" Minecraft Heads API V2. Unfortunately this means we cannot use tags anymore, as each user would have to pay for this mod in order for that to work
Hold alt while selecting a category to filter by only this category
Add confirmation before changing your skin to a player head #4
Disable auto search query by default, as it cause lots of lag on most systems