chore: (deps-dev): bump version.mockito from 3.12.4 to 4.0.0

Bumps `version.mockito` from 3.12.4 to 4.0.0.

Updates `mockito-core` from 3.12.4 to 4.0.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v3.12.4...v4.0.0)

Updates `mockito-junit-jupiter` from 3.12.4 to 4.0.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v3.12.4...v4.0.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: org.mockito:mockito-junit-jupiter
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

pom.xml

@@ -52,7 +52,7 @@
 
         <version.keycloak>15.0.2</version.keycloak>
 
-        <version.mockito>3.12.4</version.mockito>
+        <version.mockito>4.0.0</version.mockito>
     </properties>
 
     <build>