Fix setting helm --setFiles for Windows

[gsquared94]

Fixes #5595

Can be tested against the repro provided here

[codecov]

Codecov Report

Merging #5648 (574708c) into master (91c4480) will increase coverage by 0.08%.
The diff coverage is 92.30%.

@@            Coverage Diff             @@
##           master    #5648      +/-   ##
==========================================
+ Coverage   70.70%   70.79%   +0.08%     
==========================================
  Files         428      436       +8     
  Lines       16199    16334     +135     
==========================================
+ Hits        11454    11563     +109     
- Misses       3900     3920      +20     
- Partials      845      851       +6     

Impacted Files	Coverage Δ
pkg/skaffold/deploy/helm/args.go	79.24% <92.30%> (+4.24%)	⬆️
pkg/skaffold/build/jib/init.go	83.05% <0.00%> (-4.45%)	⬇️
pkg/skaffold/color/formatter.go	96.00% <0.00%> (-4.00%)	⬇️
pkg/skaffold/build/jib/jib.go	69.46% <0.00%> (-1.08%)	⬇️
cmd/skaffold/skaffold.go	0.00% <0.00%> (ø)
pkg/skaffold/util/tar.go	56.00% <0.00%> (ø)
pkg/skaffold/runner/tester.go	100.00% <0.00%> (ø)
pkg/skaffold/build/jib/jvm.go	55.55% <0.00%> (ø)
pkg/skaffold/inspect/profiles.go	100.00% <0.00%> (ø)
pkg/skaffold/inspect/modules.go	100.00% <0.00%> (ø)
... and 9 more

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[ReneWerner87]

is there a progress in the pull request, under windows no work with multi configurations is possible without this fix

would be cool if you could push this a little bit

[briandealwis]

I have more questions

[gsquared94]

I have more questions

Can you take another look @briandealwis ?

[ngraf]

A colleague of mine, who is working on Windows machine, installed latest Skaffold binary and confirmed it is fixed. 💚