Also update version string

src/main/java/com/velocitypowered/proxy/connection/client/StatusSessionHandler.java

@@ -36,7 +36,7 @@ public class StatusSessionHandler implements MinecraftSessionHandler {
 
         // Status request
         ServerPing ping = new ServerPing(
-                new ServerPing.Version(connection.getProtocolVersion(), "Velocity 1.10-1.12.2"),
+                new ServerPing.Version(connection.getProtocolVersion(), "Velocity 1.9-1.13"),
                 new ServerPing.Players(0, configuration.getShowMaxPlayers()),
                 configuration.getMotdComponent(),
                 null