Bump mockito-core from 2.21.0 to 2.22.0

Bumps [mockito-core](https://github.com/mockito/mockito) from 2.21.0 to 2.22.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v2.21.0...v2.22.0

)

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