Disable CGO on linux builds

[prateek]

No description provided.

[richardartoul]

LGTM

[codecov]

Codecov Report

Merging #969 into master will increase coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #969      +/-   ##
==========================================
+ Coverage   77.83%   77.89%   +0.05%     
==========================================
  Files         411      410       -1     
  Lines       34437    34404      -33     
==========================================
- Hits        26805    26798       -7     
+ Misses       5772     5761      -11     
+ Partials     1860     1845      -15

Flag	Coverage Δ
#dbnode	81.44% <ø> (+0.03%)	⬆️
#m3ninx	75.25% <ø> (ø)	⬆️
#query	64.33% <ø> (-0.03%)	⬇️
#x	80.55% <ø> (ø)	⬆️

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