Bump mockito-core from 2.1.0 to 3.6.28

Bumps [mockito-core](https://github.com/mockito/mockito) from 2.1.0 to 3.6.28.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v2.1.0...v3.6.28)

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