Update dependency net.dv8tion:JDA to v5.6.0

Author: renovate[bot]

pom.xml

@@ -35,7 +35,7 @@
         <dependency>
             <groupId>net.dv8tion</groupId>
             <artifactId>JDA</artifactId>
-            <version>5.0.0-beta.23</version>
+            <version>5.6.0</version>
         </dependency>
 
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