chore: do not build benchmark any more in ci

[xiegx94]

The benchmark build frequently fails in CI due to incompatible CMake configurations across dependent JSON libraries.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.97%. Comparing base (4250a05) to head (9fa0c8a).
Report is 12 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #110      +/-   ##
==========================================
+ Coverage   74.79%   74.97%   +0.17%     
==========================================
  Files          21       22       +1     
  Lines        2436     2741     +305     
  Branches      667      749      +82     
==========================================
+ Hits         1822     2055     +233     
- Misses        297      358      +61     
- Partials      317      328      +11     

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