Upgrade to Easymock 5.6.0

Closes gh-1826

Author: rstoyanchev

build.gradle

@@ -51,7 +51,7 @@ allprojects {
 			dependency "org.slf4j:slf4j-api:2.0.17"
 
 			dependency("junit:junit:4.13.2")
-			dependency "org.easymock:easymock:5.4.0"
+			dependency "org.easymock:easymock:5.6.0"
 			dependency "org.hamcrest:hamcrest:3.0"
 			dependency "org.apache.tomcat:tomcat-jasper-el:10.1.31"
 			dependency "org.hsqldb:hsqldb:2.7.3"