[New] support ESLint 8.x

[MichaelDeBoey]

ESLint v8.0.0 is released 🎉

devDependency compatibility with ESLint 8:

• @babel/eslint-parser (Support ESLint 8.x babel/babel#13712)
  • Add ESLint 8 support to @babel/eslint-parser babel/babel#13782
  • v7.16.0
• eslint-config-airbnb-base (eslint v8 support airbnb/javascript#2478)
  • [eslint config] [base] [breaking] support eslint 8 airbnb/javascript#2495
  • v15.0.0
• eslint-plugin-flowtype (Support ESLint 8.x gajus/eslint-plugin-flowtype#495)
  • gajus/eslint-plugin-flowtype@05c3ae1
  • v8.0.0
• eslint-plugin-import (Support ESLint 8.x import-js/eslint-plugin-import#2211)
  • [New] Support for ESLint v8 import-js/eslint-plugin-import#2191
  • v2.25.0

---

Closes #809

[codecov]

Codecov Report

Merging #810 (0f5f582) into master (1dbc416) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #810   +/-   ##
=======================================
  Coverage   99.22%   99.22%           
=======================================
  Files          98       98           
  Lines        1417     1417           
  Branches      477      477           
=======================================
  Hits         1406     1406           
  Misses         11       11           

---

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[gajus]

FYI latest version of eslint-plugin-flowtype is compatible with ESLint v8.