Bump nl.jqno.equalsverifier:equalsverifier from 3.19.4 to 4.0

Bumps [nl.jqno.equalsverifier:equalsverifier](https://github.com/jqno/equalsverifier) from 3.19.4 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-3.19.4...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]

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ slf4j-simple = { group = "org.slf4j", name = "slf4j-simple", version.ref = "slf4
 apache-commons-dbcp2 = "org.apache.commons:commons-dbcp2:2.13.0"
 awaitility = "org.awaitility:awaitility:4.3.0"
 apache-commons-lang3 = { group = "org.apache.commons", name = "commons-lang3", version.ref = "commons-lang3" }
-equalsverifier = "nl.jqno.equalsverifier:equalsverifier:3.19.4"
+equalsverifier = "nl.jqno.equalsverifier:equalsverifier:4.0"
 spring-boot-starter-root = { group = "org.springframework.boot", name = "spring-boot-starter", version.ref = "spring-boot" }
 spring-boot-starter-test = { group = "org.springframework.boot", name = "spring-boot-starter-test", version.ref = "spring-boot" }
 spring-boot-autoconfigure-processor = { group = "org.springframework.boot", name = "spring-boot-autoconfigure-processor", version.ref = "spring-boot" }