Bump org.mockito:mockito-core from 3.0.0 to 5.20.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 3.0.0 to 5.20.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.0.0...v5.20.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-version: 5.20.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

service/build.gradle

@@ -381,7 +381,7 @@ dependencies {
 	testImplementation 'com.github.zafarkhaja:java-semver:0.9.0'
 	testImplementation 'junit:junit:4.12'
 	testImplementation 'nl.jqno.equalsverifier:equalsverifier:3.1.10'
-	testImplementation 'org.mockito:mockito-core:3.0.0'
+	testImplementation 'org.mockito:mockito-core:5.20.0'
 }
 
 task showTestClassPath {