chore: remove refs to deprecated io/ioutil

[testwill]

No description provided.

[cpanato]

thanks for the PR
please check the error

[imjasonh]

Thanks for this contribution! It looks good, I'm not sure why CI is stuck. I'll try closing/reopening, but if that doesn't work maybe rebase?

[codecov-commenter]

Codecov Report

Merging #1092 (b262352) into main (1586ee4) will decrease coverage by 3.64%.
Report is 33 commits behind head on main.
The diff coverage is 50.00%.

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@@            Coverage Diff             @@
##             main    #1092      +/-   ##
==========================================
- Coverage   52.82%   49.19%   -3.64%     
==========================================
  Files          43       44       +1     
  Lines        3360     3653     +293     
==========================================
+ Hits         1775     1797      +22     
- Misses       1359     1624     +265     
- Partials      226      232       +6     

Files Changed	Coverage Δ
pkg/commands/config.go	56.79% <ø> (-1.11%)	⬇️
pkg/internal/testing/daemon.go	0.00% <0.00%> (ø)
pkg/commands/resolver.go	36.44% <50.00%> (ø)
pkg/build/gobuild.go	57.29% <66.66%> (ø)

... and 1 file with indirect coverage changes

addressed