Update ESLint config of comma-dangle

[gucong3000]

No description provided.

[codecov]

Codecov Report

Merging #162 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #162   +/-   ##
=======================================
  Coverage   99.34%   99.34%           
=======================================
  Files          28       28           
  Lines         615      615           
=======================================
  Hits          611      611           
  Misses          4        4

Impacted Files	Coverage Δ
lib/tslint-error.js	100% <ø> (ø)	⬆️
lib/editorconfig-error.js	100% <ø> (ø)	⬆️
lib/formatter.js	100% <ø> (ø)	⬆️
lib/eslint-error.js	100% <ø> (ø)	⬆️
lib/ci-reporter.js	100% <ø> (ø)	⬆️
lib/add-postcss-source.js	100% <ø> (ø)	⬆️
lib/htmlhint-error.js	100% <ø> (ø)	⬆️
lib/git-blame.js	94% <ø> (ø)	⬆️
lib/git-author.js	100% <ø> (ø)	⬆️
lib/get-options.js	100% <ø> (ø)	⬆️
... and 2 more

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