chore(deps): update dependency org.mockito:mockito-core to v3.8.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.mockito:mockito-core	3.7.7 -> 3.8.0

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Release Notes

mockito/mockito

### [`v3.8.0`](https://togithub.com/mockito/mockito/releases/v3.8.0) ^{_Changelog generated by [Shipkit Changelog Gradle Plugin](https://togithub.com/shipkit/shipkit-changelog)_} ##### 3.8.0 - 2021-02-22 - [1 commit(s)](https://togithub.com/mockito/mockito/compare/v3.7.18...v3.8.0) by Tim van der Lippe - Publish new minor version to Maven central [(#​2213)](https://togithub.com/mockito/mockito/pull/2213)

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