HV-1921 Increase EasyMock version because of compatibility with Java 11

Author: shark300

pom.xml

@@ -173,7 +173,7 @@
         <!-- it must be the exact same version than the one used in the Bean Validation TCK -->
         <version.org.assertj.assertj-core>3.8.0</version.org.assertj.assertj-core>
         <version.junit>4.13.1</version.junit>
-        <version.org.easymock>3.4</version.org.easymock>
+        <version.org.easymock>4.3</version.org.easymock>
         <version.io.rest-assured>4.1.2</version.io.rest-assured>
         <version.org.codehaus.groovy>2.4.12</version.org.codehaus.groovy>
         <version.com.google.guava>31.1-jre</version.com.google.guava>