We're past the point where this is a bug-fix release. Bump to Velocity 3.1.0.

build.gradle

@@ -17,7 +17,7 @@ allprojects {
     apply plugin: "com.github.spotbugs"
 
     group 'com.velocitypowered'
-    version '3.0.2-SNAPSHOT'
+    version '3.1.0-SNAPSHOT'
 
     ext {
         // dependency versions