Update dependency org.mockito:mockito-core to v5.3.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.mockito:mockito-core	5.3.0 -> 5.3.1

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Release Notes

mockito/mockito

### [`v5.3.1`](https://togithub.com/mockito/mockito/releases/tag/v5.3.1) [Compare Source](https://togithub.com/mockito/mockito/compare/v5.3.0...v5.3.1) ^{*Changelog generated by [Shipkit Changelog Gradle Plugin](https://togithub.com/shipkit/shipkit-changelog)*} ##### 5.3.1 - 2023-04-21 - [2 commit(s)](https://togithub.com/mockito/mockito/compare/v5.3.0...v5.3.1) by Rafael Winterhalter, jfrantzius - Fixes 2972: Weakens visibility constraint [(#​2983)](https://togithub.com/mockito/mockito/pull/2983) - Bugfix 2974 fix npe [(#​2976)](https://togithub.com/mockito/mockito/pull/2976) - Fix for [#​2958](https://togithub.com/mockito/mockito/issues/2958) eliminates CCE but leads to NPE [(#​2974)](https://togithub.com/mockito/mockito/issues/2974) - Spying objects not working properly since 5.3.0 [(#​2972)](https://togithub.com/mockito/mockito/issues/2972)

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