feat: pick cgo arg from env

[SVKREP]

Retrieve CGO argument value from Environment.

We can now set CGO argument like below:

 CGO_ENABLED=1 make build 

[github-actions]

Thanks for making a pull request! 😃
One of the maintainers will review and advise on the next steps.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0bbafac) 14.76% compared to head (7a1c823) 14.76%.
Report is 1 commits behind head on main.

❗ Current head 7a1c823 differs from pull request most recent head b6568fd. Consider uploading reports for the commit b6568fd to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1095   +/-   ##
=======================================
  Coverage   14.76%   14.76%           
=======================================
  Files          90       90           
  Lines        8379     8379           
=======================================
  Hits         1237     1237           
  Misses       6824     6824           
  Partials      318      318           

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[HarikrishnanBalagopal]

LGTM

[kmehant]

LGTM!

[kmehant]

@HarikrishnanBalagopal lets merge it! Thanks.