Regenerate mock file using uber-go mock

[khanhtc1202]

What this PR does:

Update mock files by regenerating using the updated codegen image.
Also, fix the tests to use uber-go mock instead of golang mock.

Why we need it:

Which issue(s) this PR fixes:

Fixes #5429
Follow PR #5426

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[codecov]

Codecov Report

Attention: Patch coverage is 17.18310% with 294 lines in your changes missing coverage. Please review.

Project coverage is 26.26%. Comparing base (b98a963) to head (9b16319).
Report is 369 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/datastore/datastoretest/datastore.mock.go	6.12%	184 Missing ⚠️
pkg/git/gittest/git.mock.go	15.38%	44 Missing ⚠️
pkg/insight/insighttest/insight.mock.go	0.00%	25 Missing ⚠️
pkg/cache/cachetest/cache.mock.go	30.00%	21 Missing ⚠️
pkg/filestore/filestoretest/filestore.mock.go	40.00%	12 Missing ⚠️
pkg/jwt/jwttest/jwt.mock.go	0.00%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5437      +/-   ##
==========================================
+ Coverage   26.24%   26.26%   +0.02%     
==========================================
  Files         452      452              
  Lines       48860    48860              
==========================================
+ Hits        12821    12831      +10     
+ Misses      35014    35005       -9     
+ Partials     1025     1024       -1     

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[Warashi]

👍🏻

[ffjlabo]

LGTM