bump nl.jqno.equalsverifier:equalsverifier from 3.15.5 to 3.16.1

---
updated-dependencies:
- dependency-name: nl.jqno.equalsverifier:equalsverifier
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -158,7 +158,7 @@
       <dependency>
         <groupId>nl.jqno.equalsverifier</groupId>
         <artifactId>equalsverifier</artifactId>
-        <version>3.15.5</version>
+        <version>3.16.1</version>
       </dependency>
       <dependency>
         <groupId>org.jgrapht</groupId>