0.18.0

What's Changed

• Removed jvmdowngrader
• Downgraded core module from java 21 to java 17
• Downgraded bukkit module to java 17
• Downgraded bungeecord to java 17
• Downgraded nukkit to java 17
• Downgraded sponge to java 17
• Upgraded hytale from java 21 to java 25
• Removed all concurrency utils

Full Changelog: 0.17.2...0.18.0