(v4.3.x): Bump nl.jqno.equalsverifier:equalsverifier from 4.0 to 4.0.3

Bumps [nl.jqno.equalsverifier:equalsverifier](https://github.com/jqno/equalsverifier) from 4.0 to 4.0.3.
- [Release notes](https://github.com/jqno/equalsverifier/releases)
- [Changelog](https://github.com/jqno/equalsverifier/blob/main/CHANGELOG.md)
- [Commits](jqno/equalsverifier@equalsverifier-4.0...equalsverifier-4.0.3)

---
updated-dependencies:
- dependency-name: nl.jqno.equalsverifier:equalsverifier
  dependency-version: 4.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -22,7 +22,7 @@ buildscript {
 		// Test Dependencies
 		springCloudContractVersion = "4.1.5"
 		javaHamcrestVersion = "2.0.0.0"
-		equalsVerifierVersion = "4.0"
+		equalsVerifierVersion = "4.0.3"
 		findbugsVersion = "3.0.1u2"
 		wiremockStandaloneVersion = "3.0.1"