Upgrade to golangci-lint v1.42.1

[willbeason]

Upgrade to the most recent version and fix linter errors.

Signed-off-by: Will Beason willbeason@google.com

[codecov-commenter]

Codecov Report

Merging #1579 (d796cf8) into master (7ea3783) will increase coverage by 0.07%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1579      +/-   ##
==========================================
+ Coverage   53.77%   53.84%   +0.07%     
==========================================
  Files          93       93              
  Lines        7995     7995              
==========================================
+ Hits         4299     4305       +6     
+ Misses       3356     3351       -5     
+ Partials      340      339       -1     

Flag	Coverage Δ
unittests	53.84% <ø> (+0.07%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/readiness/object_tracker.go	82.41% <0.00%> (-1.10%)	⬇️
pkg/readiness/ready_tracker.go	69.82% <0.00%> (-0.57%)	⬇️
...onstrainttemplate/constrainttemplate_controller.go	58.47% <0.00%> (+0.95%)	⬆️
pkg/watch/replay.go	81.25% <0.00%> (+2.27%)	⬆️
pkg/readiness/list.go	91.17% <0.00%> (+11.76%)	⬆️

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[sozercan]

Thank you! LGTM

[julianKatz]

@willbeason Please also update the Makefile. After that, LGTM

[maxsmythe]

LGTM