deps: update dependency org.easymock:easymock to v5

Author: renovate-bot

pom.xml

@@ -165,7 +165,7 @@
     <guava.version>31.1-jre</guava.version>
     <junit.version>4.13.2</junit.version>
     <truth.version>1.1.3</truth.version>
-    <easymock.version>4.3</easymock.version>
+    <easymock.version>5.0.0</easymock.version>
     <findbugs.version>3.0.2</findbugs.version>
     <threetenbp.version>1.6.2</threetenbp.version>
     <objenesis.version>3.3</objenesis.version>