TCPShield 2.8.0

Changes

• As of this version, the required Java version has been bumped from 8 to 17
• Disable prefer-protocollib by default in favor of the Paper handler
• Added a warning for users of 1.20.5/1.20.6 and ProtocolLib <= 5.2.1 of incompatibility issues and default back to Paper handler if prefer-protocollib is enabled