change Variant serde (de|)serialization backport on v2.7

[zoedberg]

Backport of #48

[codecov]

Codecov Report

Attention: Patch coverage is 77.35849% with 12 lines in your changes missing coverage. Please review.

Project coverage is 50.09%. Comparing base (1286e44) to head (066de22).

Files with missing lines	Patch %	Lines
rust/src/util.rs	77.35%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             v2.7      #49      +/-   ##
==========================================
- Coverage   51.57%   50.09%   -1.49%     
==========================================
  Files          18       18              
  Lines        2220     2134      -86     
==========================================
- Hits         1145     1069      -76     
+ Misses       1075     1065      -10     

Flag	Coverage Δ
rust	50.09% <77.35%> (-1.49%)	⬇️

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[dr-orlovsky]

Can you pls add a commit with a patch version bump so I can release it right away?

[zoedberg]

Can you pls add a commit with a patch version bump so I can release it right away?

Sure, done

[dr-orlovsky]

ACK 8416aa0

[dr-orlovsky]

Published!