Replace github.com/golang/mock with go.uber.org/mock

[M4tthewDE]

Pull request checklist:

• CHANGELOG.md was updated, if applicable

Description

github.com/golang/mock is deprecated

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 42 lines in your changes missing coverage. Please review.

Project coverage is 50.73%. Comparing base (fff4579) to head (8e4471e).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/mocks/mock_dbPool.go	0.00%	42 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #712      +/-   ##
==========================================
- Coverage   51.01%   50.73%   -0.29%     
==========================================
  Files         109      109              
  Lines        4118     4141      +23     
==========================================
  Hits         2101     2101              
- Misses       1944     1967      +23     
  Partials       73       73              

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