build(deps): bump equalsverifier from 3.14.3 to 3.15

Bumps [equalsverifier](https://github.com/jqno/equalsverifier) from 3.14.3 to 3.15.
- [Release notes](https://github.com/jqno/equalsverifier/releases)
- [Changelog](https://github.com/jqno/equalsverifier/blob/main/CHANGELOG.md)
- [Commits](jqno/equalsverifier@equalsverifier-3.14.3...equalsverifier-3.15)

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -124,7 +124,7 @@
     <commons-text.version>1.10.0</commons-text.version>
     <commons-csv.version>1.10.0</commons-csv.version>
     <dom4j.version>2.1.4</dom4j.version>
-    <equalsverifier.version>3.14.3</equalsverifier.version>
+    <equalsverifier.version>3.15</equalsverifier.version>
     <freemarker.version>2.3.32</freemarker.version>
     <groovy.version>4.0.12</groovy.version>
     <gson.version>2.10.1</gson.version>