build(deps): bump nl.jqno.equalsverifier:equalsverifier

Bumps [nl.jqno.equalsverifier:equalsverifier](https://github.com/jqno/equalsverifier) from 3.19.3 to 4.0.
- [Release notes](https://github.com/jqno/equalsverifier/releases)
- [Changelog](https://github.com/jqno/equalsverifier/blob/main/CHANGELOG.md)
- [Commits](jqno/equalsverifier@equalsverifier-3.19.3...equalsverifier-4.0)

---
updated-dependencies:
- dependency-name: nl.jqno.equalsverifier:equalsverifier
  dependency-version: '4.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -37,7 +37,7 @@ testing {
       useJUnitJupiter("5.13.1")
 
       dependencies {
-        implementation("nl.jqno.equalsverifier:equalsverifier:3.19.3")
+        implementation("nl.jqno.equalsverifier:equalsverifier:4.0")
         implementation("org.spockframework:spock-core:2.4-M6-groovy-4.0")
       }
     }