Bump mockito-core from 3.5.2 to 4.2.0

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.5.2 to 4.2.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.5.2...v4.2.0)

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

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

Author: dependabot[bot]

pom.xml

@@ -81,7 +81,7 @@
         <jose4j.version>0.7.2</jose4j.version>
         <log4j.version>2.16.0</log4j.version>
         <junit.version>4.13.1</junit.version>
-        <mockito.version>3.5.2</mockito.version>
+        <mockito.version>4.2.0</mockito.version>
     </properties>
     <dependencies>
         <!-- JOSE4J -->