Release 2.1.2

[jonesdevelopment]

• Recode CAPTCHA generation #367
• Fix Bedrock users sometimes verifying multiple times
• Fix a bug where Bedrock users were unable to verify at all
• Fix Bedrock false flagging the vehicle speed check
• Bump dependencies
  • Bump h2databases from 2.1.214 to 2.2.220
  • Bump mysql-connector-j from 8.4.0 to 9.0.0
  • Bump mariadb-java-client from 3.4.0 to 3.4.1
  • Bump bstats from 3.0.2 to 3.0.3 #364
• Don't create duplicate entries in database
• Exempt fake (spoofed) players from being checked