Update dependency nl.jqno.equalsverifier:equalsverifier to v4

Author: renovate[bot]

type-alias-axon-serializer-integration-test/pom.xml

@@ -52,7 +52,7 @@
 		<wildfly.version>39.0.1.Final</wildfly.version>
 
 		<!-- Unit testing -->
-		<equalsverifier.version>3.19.4</equalsverifier.version>
+		<equalsverifier.version>4.4.1</equalsverifier.version>
 		<junit-jupiter.version>5.14.3</junit-jupiter.version>
 		<hamcrest.version>2.2</hamcrest.version>