Add exec support for windows containers

[feiskyer]

Fix #2888

[codecov]

Codecov Report

Merging #2922 into master will decrease coverage by <.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #2922      +/-   ##
==========================================
- Coverage   54.17%   54.16%   -0.01%     
==========================================
  Files         564      564              
  Lines       12199    12199              
==========================================
- Hits         6609     6608       -1     
- Misses       5334     5335       +1     
  Partials      256      256

Impacted Files	Coverage Δ
src/app/backend/handler/terminal.go	0% <0%> (ø)	⬆️
...p/backend/integration/metric/common/aggregation.go	87.69% <0%> (-1.54%)	⬇️

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[michmike]

/lgtm

[bsteciuk]

Only suggestion might be to add ash as well, would resolve #2305

[feiskyer]

@floreks PTAL

[bryk]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bryk, feiskyer, michmike

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