Update dependency org.bstats:bstats-bukkit to v2

Author: renovate-bot

pom.xml

@@ -122,7 +122,7 @@
         <dependency>
             <groupId>org.bstats</groupId>
             <artifactId>bstats-bukkit</artifactId>
-            <version>1.5</version>
+            <version>2.1.0</version>
             <scope>compile</scope>
         </dependency>
 	    <dependency>