Bump nl.jqno.equalsverifier:equalsverifier from 4.0.9 to 4.1 (jenkinsci#1336)

Author: dependabot[bot]

pom.xml

@@ -214,7 +214,7 @@
     <dependency>
       <groupId>nl.jqno.equalsverifier</groupId>
       <artifactId>equalsverifier</artifactId>
-      <version>4.0.9</version>
+      <version>4.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>