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

[renovate]

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

Compare Source

^{Changelog generated by Shipkit Changelog Gradle Plugin}

5.3.1

• 2023-04-21 - 2 commit(s) by Rafael Winterhalter, jfrantzius
• Fixes 2972: Weakens visibility constraint (#​2983)
• Bugfix 2974 fix npe (#​2976)
• Fix for #​2958 eliminates CCE but leads to NPE (#​2974)
• Spying objects not working properly since 5.3.0 (#​2972)

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