Add netgo to localkube build

[r2d4]

ref google/cadvisor#1719

[codecov-io]

Codecov Report

Merging #1829 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1829      +/-   ##
==========================================
- Coverage   36.27%   36.25%   -0.03%     
==========================================
  Files          51       51              
  Lines        3462     3462              
==========================================
- Hits         1256     1255       -1     
- Misses       2023     2024       +1     
  Partials      183      183

Impacted Files	Coverage Δ
pkg/util/kubeconfig/config.go	46.93% <0%> (-0.69%)	⬇️

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