[Backport] [2.x] Bump org.mockito:mockito-core from 5.15.2 to 5.16.0 (#5161)

[reta]

Backport of #5161 to 2.x

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.23%. Comparing base (f90aa65) to head (763ab88).
Report is 5 commits behind head on 2.x.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x    #5170      +/-   ##
==========================================
- Coverage   68.30%   68.23%   -0.08%     
==========================================
  Files         346      346              
  Lines       24597    24599       +2     
  Branches     4067     4067              
==========================================
- Hits        16802    16784      -18     
- Misses       5873     5894      +21     
+ Partials     1922     1921       -1     

see 8 files with indirect coverage changes

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