Update dependencies and add new BoosterTypes

The Galaxy-API and mcMMO dependencies have been updated to newer versions and three new BoosterTypes - 'crossbows', 'maces', and 'tridents' - have been added. Also, the Java language version has been upgraded from version 17 to version 21.

build.gradle.kts

@@ -16,7 +16,7 @@ subprojects {
 
     java {
         toolchain {
-            languageVersion.set(JavaLanguageVersion.of(17))
+            languageVersion.set(JavaLanguageVersion.of(21))
         }
     }