HeadBlocks

• Added compatibility with 1.21.2/3/4
• Fixed some sql requests not handled correctly with MySQL or MariaDB (update/rename existing columns)
• Improved concurrency system when retrieving heads from database
• Now correctly count the player heads when login
• Fixed an Illegal state exception with hologram task when not started
• Fixed teleport in stats command
• Added name when not empty for list, remove and stats commands

If you find a bug, don't hesitate to report it at Github, in the discord!

Thanks to use my plugin!