ci(github): replace Coveralls with Codecov in workflow build.yml

[remarkablemark]

What is the motivation for this pull request?

ci(github): replace Coveralls with Codecov in workflow build.yml

What is the current behavior?

Coveralls

What is the new behavior?

Codecov

Checklist:

• Documentation

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (master@4fc4307). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             master      #275   +/-   ##
==========================================
  Coverage          ?   100.00%           
==========================================
  Files             ?         7           
  Lines             ?       140           
  Branches          ?        50           
==========================================
  Hits              ?       140           
  Misses            ?         0           
  Partials          ?         0           

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[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
dist/html-react-parser.min.js	7.66 KB (0%)	154 ms (0%)	78 ms (+17.51% 🔺)	231 ms