feat(eslint-config-react): enforce class fields for react class

[chambo-e]

Related rules:

• https://github.com/airbnb/javascript/blob/274c8d570155a05b016980294d4204c5711bce86/packages/eslint-config-airbnb/rules/react.js#L486
• https://github.com/airbnb/javascript/blob/274c8d570155a05b016980294d4204c5711bce86/packages/eslint-config-airbnb/rules/react.js#L491

[codecov]

Codecov Report

Merging #636 (47b8fad) into main (0367d8a) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #636   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           18        18           
  Lines          526       526           
  Branches        87        87           
=========================================
  Hits           526       526           

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