Bump nl.jqno.equalsverifier:equalsverifier from 3.15 to 3.15.1

Bumps [nl.jqno.equalsverifier:equalsverifier](https://github.com/jqno/equalsverifier) from 3.15 to 3.15.1.
- [Release notes](https://github.com/jqno/equalsverifier/releases)
- [Changelog](https://github.com/jqno/equalsverifier/blob/main/CHANGELOG.md)
- [Commits](jqno/equalsverifier@equalsverifier-3.15...equalsverifier-3.15.1)

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

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

pom.xml

@@ -83,7 +83,7 @@
 
     <!-- test dependencies -->
     <version.archunit>1.0.1</version.archunit>
-    <version.equalsverifier>3.15</version.equalsverifier>
+    <version.equalsverifier>3.15.1</version.equalsverifier>
     <version.openpojo>0.9.1</version.openpojo>
     <version.jacoco>0.8.10</version.jacoco>
     <version.slf4j-test>1.2.0</version.slf4j-test>