build: skip jacoco coverage in example module

[hezhangjian]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 38.23%. Comparing base (e7e618e) to head (0712ec6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##               main      #17       +/-   ##
=============================================
+ Coverage     26.53%   38.23%   +11.70%     
  Complexity       26       26               
=============================================
  Files            36       33        -3     
  Lines            98       68       -30     
=============================================
  Hits             26       26               
+ Misses           72       42       -30     

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