fix: remove duplicate library linking warnings on MacOS

[evtrouble]

What problem were solved in this pull request?

When building under MacOS environment, there were build warnings about duplicate library linking:
ld: warning: ignoring duplicate libraries: './deps/3rd/usr/local/lib/libjsoncpp.a'

Issue Number: close #xxx

Problem:

What is changed and how it works?

Other information

This fix only affects the build process and does not change any runtime behavior
The changes are specific to MacOS environment but are safe for other platforms

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.59%. Comparing base (c35c809) to head (77b4921).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #594   +/-   ##
=======================================
  Coverage   53.59%   53.59%           
=======================================
  Files         180      180           
  Lines       10648    10648           
=======================================
  Hits         5707     5707           
  Misses       4941     4941           

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[hnwyllmm]

LGTM