Bump nl.jqno.equalsverifier:equalsverifier from 3.15 to 3.15.1 (#639)

Author: dependabot[bot]

pom.xml

@@ -70,7 +70,7 @@
 
     <!-- testing -->
     <awaitility.version>4.2.0</awaitility.version>
-    <equalsverifier.version>3.15</equalsverifier.version>
+    <equalsverifier.version>3.15.1</equalsverifier.version>
     <glassfish.json.version>2.0.1</glassfish.json.version>
     <junit.version>5.10.0</junit.version>
     <yasson.version>3.0.3</yasson.version>