chore: replace nyc with c8 for coverage reporting in package.json

[lumirlumir]

This pull request includes changes to the package.json file to update the code coverage tool from nyc to c8.

Changes to code coverage tool:

• Replaced nyc with c8 in the coverage script.
• Added c8 as a new dependency.
• Removed nyc from the list of dependencies.

[github-actions]

Labels have been automatically applied based on the conventional commit types.🏷️

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (8793ce3) to head (16775ff).
Report is 1 commits behind head on main.

@@            Coverage Diff             @@
##              main      #149    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           11        11            
  Lines           64       416   +352     
==========================================
+ Hits            64       416   +352     

see 11 files with indirect coverage changes

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