chore: ignore build and coverage paths during format

[dated]

Summary

Excludes the build and coverage folders from eslint and prettier.

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

Merging #2185 into 3.0-react will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##           3.0-react     #2185    +/-   ##
============================================
  Coverage     100.00%   100.00%            
============================================
  Files             45       113    +68     
  Lines            298       909   +611     
  Branches          49       139    +90     
============================================
+ Hits             298       909   +611     

Flag	Coverage Δ
#unit	100.00% <100.00%> (?)

Impacted Files	Coverage Δ
src/app/components/Button/Button.tsx	100.00% <ø> (ø)
src/app/components/Card/Card.tsx	100.00% <ø> (ø)
src/app/components/Card/CardControl.tsx	100.00% <ø> (ø)
src/app/components/Circle/Circle.tsx	100.00% <ø> (ø)
src/app/components/Divider/Divider.styles.ts	100.00% <ø> (ø)
src/app/components/Divider/Divider.tsx	100.00% <ø> (ø)
src/app/components/Form/Form.tsx	100.00% <ø> (ø)
src/app/components/Form/FormField.tsx	100.00% <ø> (ø)
src/app/components/Form/FormHelperText.tsx	100.00% <ø> (ø)
src/app/components/Form/FormLabel.tsx	100.00% <ø> (ø)
... and 120 more

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