Update JDA to 6.3.1

Author: AnastaZIuk

pom.xml

@@ -42,7 +42,7 @@
         <dependency>
             <groupId>net.dv8tion</groupId>
             <artifactId>JDA</artifactId>
-            <version>5.6.1</version>
+            <version>6.3.1</version>
         </dependency>
         <dependency>
             <groupId>pw.chew</groupId>