deps: update dependency org.easymock:easymock to v5 (#255)

Author: renovate-bot

pom.xml

@@ -29,7 +29,7 @@
   </description>
 
   <properties>
-    <easymock.version>3.6</easymock.version>
+    <easymock.version>5.0.0</easymock.version>
     <logging.version>3.11.7</logging.version>
     <jakarta.servlet.api.version>4.0.4</jakarta.servlet.api.version>  
     <jetty.version>9.4.44.v20210927</jetty.version>