Bump nl.jqno.equalsverifier:equalsverifier from 3.17.3 to 3.18

Bumps [nl.jqno.equalsverifier:equalsverifier](https://github.com/jqno/equalsverifier) from 3.17.3 to 3.18.
- [Release notes](https://github.com/jqno/equalsverifier/releases)
- [Changelog](https://github.com/jqno/equalsverifier/blob/main/CHANGELOG.md)
- [Commits](jqno/equalsverifier@equalsverifier-3.17.3...equalsverifier-3.18)

---
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>

alchemy-dependencies/pom.xml

@@ -73,7 +73,7 @@
 
     <!-- test dependency versions -->
 
-    <equalsverifier.version>3.17.3</equalsverifier.version>
+    <equalsverifier.version>3.18</equalsverifier.version>
 
     <hamcrest.version>3.0</hamcrest.version>