upgrade mockito to 4.5.1

[shijiesheng]

What changed?
version upgrade

Why?
1.x version cannot mock final classes

How did you test it?

Potential risks

Release notes

Documentation Changes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.91%. Comparing base (8693c37) to head (95663cf).
Report is 2 commits behind head on master.

Additional details and impacted files

see 19 files with indirect coverage changes

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[coveralls]

Pull Request Test Coverage Report for Build 2562

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.02%) to 66.637%

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Files with Coverage Reduction	New Missed Lines	%
src/main/java/com/uber/cadence/internal/sync/POJOActivityTaskHandler.java	1	89.17%
src/main/java/com/uber/cadence/internal/common/InternalUtils.java	1	79.61%

Totals
Change from base Build 2555:	0.02%
Covered Lines:	12913
Relevant Lines:	19378

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💛 - Coveralls