Bump mock from 2.0.0 to 4.0.2 in /src
Bump mock from 2.0.0 to 4.0.2 in /src

Bumps [mock](https://github.com/testing-cabal/mock) from 2.0.0 to 4.0.2.
- [Release notes](https://github.com/testing-cabal/mock/releases)
- [Changelog](https://github.com/testing-cabal/mock/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/testing-cabal/mock/compare/2.0.0...4.0.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
briehl/narrative,kbase/narrative,pranjan77/narrative,pranjan77/narrative,kbase/narrative,kbase/narrative,briehl/narrative,kbase/narrative,kbase/narrative,kbase/narrative,briehl/narrative,pranjan77/narrative,briehl/narrative,briehl/narrative,briehl/narrative,pranjan77/narrative,pranjan77/narrative,pranjan77/narrative,pranjan77/narrative,briehl/narrative