Upgrade the linter

[dgageot]

Signed-off-by: David Gageot david@gageot.net

[codecov-io]

Codecov Report

Merging #1777 into master will increase coverage by 0.02%.
The diff coverage is 20%.

@@            Coverage Diff             @@
##           master    #1777      +/-   ##
==========================================
+ Coverage   47.04%   47.06%   +0.02%     
==========================================
  Files         130      130              
  Lines        6264     6261       -3     
==========================================
  Hits         2947     2947              
+ Misses       3015     3012       -3     
  Partials      302      302

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/completion.go	0% <0%> (ø)	⬆️
cmd/skaffold/app/cmd/runner.go	0% <0%> (ø)	⬆️
pkg/skaffold/deploy/kubectl/labels.go	78.57% <100%> (ø)	⬆️

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