Fix coloured output when building in //

[dgageot]

Currently, the output for each build in buffered without colors.

Signed-off-by: David Gageot [email protected]

[codecov-io]

Codecov Report

Merging #1501 into master will decrease coverage by 0.06%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master   #1501      +/-   ##
=========================================
- Coverage   44.87%   44.8%   -0.07%     
=========================================
  Files         115     115              
  Lines        4771    4778       +7     
=========================================
  Hits         2141    2141              
- Misses       2409    2415       +6     
- Partials      221     222       +1

Impacted Files	Coverage Δ
pkg/skaffold/build/parallel.go	0% <0%> (ø)	⬆️
pkg/skaffold/color/formatter.go	80% <0%> (-8.89%)	⬇️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov-io]

Codecov Report

Merging #1501 into master will decrease coverage by 0.06%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master   #1501      +/-   ##
=========================================
- Coverage   44.87%   44.8%   -0.07%     
=========================================
  Files         115     115              
  Lines        4771    4778       +7     
=========================================
  Hits         2141    2141              
- Misses       2409    2415       +6     
- Partials      221     222       +1

Impacted Files	Coverage Δ
pkg/skaffold/build/parallel.go	0% <0%> (ø)	⬆️
pkg/skaffold/color/formatter.go	80% <0%> (-8.89%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 51bcca6...3fc58ef. Read the comment docs.