Build(deps-dev): Bump nl.jqno.equalsverifier:equalsverifier

Bumps [nl.jqno.equalsverifier:equalsverifier](https://github.com/jqno/equalsverifier) from 3.15.8 to 4.0.6.
- [Release notes](https://github.com/jqno/equalsverifier/releases)
- [Changelog](https://github.com/jqno/equalsverifier/blob/main/CHANGELOG.md)
- [Commits](jqno/equalsverifier@equalsverifier-3.15.8...equalsverifier-4.0.6)

---
updated-dependencies:
- dependency-name: nl.jqno.equalsverifier:equalsverifier
  dependency-version: 4.0.6
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

jhove-core/pom.xml

@@ -47,7 +47,7 @@
     <dependency>
       <groupId>nl.jqno.equalsverifier</groupId>
       <artifactId>equalsverifier</artifactId>
-      <version>3.15.8</version>
+      <version>4.0.6</version>
       <scope>test</scope>
     </dependency>
   </dependencies>