lint config: consistent use of levels

[aretecode]

No description provided.

[codecov]

Codecov Report

Merging #1789 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1789   +/-   ##
=======================================
  Coverage   21.14%   21.14%           
=======================================
  Files         252      252           
  Lines        5693     5693           
  Branches      683      678    -5     
=======================================
  Hits         1204     1204           
- Misses       3961     3975   +14     
+ Partials      528      514   -14

Impacted Files	Coverage Δ
lib/ui/src/modules/api/actions/api.js	50.47% <0%> (ø)	⬆️
lib/ui/src/modules/ui/components/menu_item.js	19.14% <0%> (ø)	⬆️
lib/codemod/src/transforms/update-addon-info.js	51.16% <0%> (ø)	⬆️
lib/ui/src/libs/key_events.js	23.25% <0%> (ø)	⬆️
app/react-native/src/preview/story_kind.js	0% <0%> (ø)	⬆️
addons/info/src/components/markdown/code.js	24.13% <0%> (ø)	⬆️
addons/knobs/src/KnobStore.js	6.81% <0%> (ø)	⬆️
addons/knobs/src/components/types/Color.js	8% <0%> (ø)	⬆️
addons/knobs/src/components/PropForm.js	8.51% <0%> (ø)	⬆️
addons/knobs/src/components/types/Boolean.js	11.62% <0%> (ø)	⬆️
... and 10 more

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[igor-dv]

LGTM, Thanks =)

[Hypnosphi]

Nice catch!