fix: prettier config

[anshumanv]

What kind of change does this PR introduce?
build

Did you add tests for your changes?
NA

If relevant, did you update the documentation?
NA

Summary
Updates prettier config to use sensible defaults

Does this PR introduce a breaking change?
no

Other information

[alexander-akait]

/cc @webpack/cli-team

[codecov]

Codecov Report

Merging #2719 (d00c010) into master (244277d) will increase coverage by 0.06%.
The diff coverage is 96.20%.

@@            Coverage Diff             @@
##           master    #2719      +/-   ##
==========================================
+ Coverage   96.06%   96.13%   +0.06%     
==========================================
  Files          30       30              
  Lines        1526     1604      +78     
  Branches      432      471      +39     
==========================================
+ Hits         1466     1542      +76     
- Misses         60       62       +2     

Impacted Files	Coverage Δ
packages/generators/addon-template/package.json.js	100.00% <ø> (ø)
packages/generators/src/loader-generator.ts	91.66% <75.00%> (ø)
packages/webpack-cli/bin/cli.js	66.66% <81.81%> (ø)
...kages/webpack-cli/lib/utils/get-package-manager.js	92.30% <88.23%> (ø)
packages/serve/src/index.ts	91.17% <91.66%> (+0.55%)	⬆️
packages/generators/src/addon-generator.ts	91.37% <92.85%> (+0.15%)	⬆️
packages/serve/src/startDevServer.ts	93.33% <92.85%> (+0.35%)	⬆️
packages/generators/src/init-generator.ts	98.07% <94.73%> (ø)
packages/webpack-cli/lib/webpack-cli.js	97.12% <96.80%> (-0.04%)	⬇️
packages/generators/src/handlers/default.ts	98.50% <97.50%> (+0.02%)	⬆️
... and 19 more

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[evenstensberg]

mostly looks okay for me.