Bump mockito-core from 2.28.2 to 4.0.0

Bumps [mockito-core](https://github.com/mockito/mockito) from 2.28.2 to 4.0.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v2.28.2...v4.0.0)

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

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

pom.xml

@@ -197,7 +197,7 @@ under the License.
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>2.28.2</version>
+      <version>4.0.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>