Use golangci-lint instead of golint

[per1234]

golint has been deprecated.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.05%. Comparing base (b9f5a82) to head (6bf30f3).
⚠️ Report is 619 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #778   +/-   ##
=======================================
  Coverage   90.05%   90.05%           
=======================================
  Files          44       44           
  Lines        6800     6800           
=======================================
  Hits         6124     6124           
  Misses        553      553           
  Partials      123      123           

Flag	Coverage Δ
unit	90.05% <ø> (ø)

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[per1234]

The codebase produces many linting errors from golangci-lint, even though it was passing golint. I think this should be put on hold until #761 is merged as the fixes for the linting errors might cause merge conflicts with the work done in that PR.

[CLAassistant]

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