fix(ci): Download Go modules before linting to resolve TypeCheck errors

[adamdmharvey]

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Noticed some reports on TypeCheck errors in https://github.com/golangci/golangci-lint-action/issues/902. These are similar to what we see with https://github.com/argoproj/notifications-engine/pull/256, https://github.com/argoproj/notifications-engine/pull/255, and https://github.com/argoproj/notifications-engine/pull/254.

The linter in v1.54 seemed to deprecate some of the TypeChecking errors, and so I've bumped the linter up also (which seemed to fix the problem).

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (c02dc5f) 55.13% compared to head (2779b52) 55.13%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #257   +/-   ##
=======================================
  Coverage   55.13%   55.13%           
=======================================
  Files          35       35           
  Lines        3337     3337           
=======================================
  Hits         1840     1840           
  Misses       1230     1230           
  Partials      267      267           

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[pasha-codefresh]

Looks like it is working now, should we close the PR?