Generate velocity-plugins.json and relocate fastutil (#2940)

bootstrap/velocity/build.gradle.kts

@@ -1,11 +1,12 @@
 val velocityVersion = "3.0.0"
 
 dependencies {
+    annotationProcessor("com.velocitypowered", "velocity-api", velocityVersion)
     api(projects.core)
 }
 
 platformRelocate("com.fasterxml.jackson")
-platformRelocate("it.unimi.fastutil")
+platformRelocate("it.unimi.dsi.fastutil")
 platformRelocate("net.kyori.adventure.text.serializer.gson.legacyimpl")
 
 exclude("com.google.*:*")

build.gradle.kts

@@ -10,6 +10,10 @@ allprojects {
     group = "org.geysermc"
     version = "2.1.0-SNAPSHOT"
     description = "Allows for players from Minecraft: Bedrock Edition to join Minecraft: Java Edition servers."
+
+    tasks.withType<JavaCompile> {
+        options.encoding = "UTF-8"
+    }
 }
 
 val platforms = setOf(