feat(*) prepare kuma-[cd]p for windows compilation

[bartsmykla]

Summary

With this changes kuma-cp and kuma-dp can be compiled on and for windows

Issues resolved

no issue resolved, but I think these one are related:

• add a CI job to verify whether Kuma source code can be built and unit tested on Windows #365
• build and distribute kumactl for Windows #366 (this one at least partially)

Documentation

no documentation changes

Testing

• Unit tests
• E2E tests
• Manual testing on Universal
• Manual testing on Kubernetes

Backwards compatibility

• Add backport-to-stable label if the code is backwards compatible. Otherwise, list breaking changes.

[codecov-commenter]

Codecov Report

Merging #2559 (eb86293) into master (210fdb0) will increase coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2559      +/-   ##
==========================================
+ Coverage   52.38%   52.43%   +0.05%     
==========================================
  Files         871      871              
  Lines       48437    48437              
==========================================
+ Hits        25373    25399      +26     
+ Misses      21009    20985      -24     
+ Partials     2055     2053       -2     

Impacted Files	Coverage Δ
pkg/util/os/limits.go	68.42% <ø> (ø)
pkg/core/resources/model/rest/resource.go	67.94% <0.00%> (-1.29%)	⬇️
pkg/xds/generator/direct_access_proxy_generator.go	82.75% <0.00%> (-1.15%)	⬇️
pkg/core/resources/manager/cache.go	81.81% <0.00%> (ø)
api/observability/v1/mads.pb.go	35.56% <0.00%> (+1.03%)	⬆️
pkg/mads/v1/client/client.go	43.75% <0.00%> (+2.50%)	⬆️
app/kumactl/cmd/root.go	73.68% <0.00%> (+3.50%)	⬆️
pkg/plugins/resources/memory/store.go	82.06% <0.00%> (+4.34%)	⬆️
pkg/xds/cache/once/cache.go	94.87% <0.00%> (+7.69%)	⬆️
pkg/core/bootstrap/autoconfig.go	54.46% <0.00%> (+8.03%)	⬆️
... and 1 more

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