update check respected quiet flag

[r2d4]

fixes #962

[codecov-io]

Codecov Report

Merging #964 into master will decrease coverage by 0.04%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #964      +/-   ##
==========================================
- Coverage   43.99%   43.94%   -0.05%     
==========================================
  Files          64       64              
  Lines        2664     2667       +3     
==========================================
  Hits         1172     1172              
- Misses       1370     1373       +3     
  Partials      122      122

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/cmd.go	0% <0%> (ø)	⬆️

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