fix(types): methods should be string array

[JounQin]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• documentation update
• typo fix
• metadata update

Motivation / Use-Case

Breaking Changes

Additional Info

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (b9287c4) 96.82% compared to head (fc5b36a) 96.82%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1550   +/-   ##
=======================================
  Coverage   96.82%   96.82%           
=======================================
  Files           9        9           
  Lines         378      378           
  Branches      115      115           
=======================================
  Hits          366      366           
  Misses         11       11           
  Partials        1        1           

Impacted Files	Coverage Δ
src/index.js	97.91% <ø> (ø)

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[alexander-akait]

Thank you

[alexander-akait]

Do you need release asap?

[JounQin]

Do you need release asap?

I'm using @ts-expect-error temporarily, but sure if could be released soon. 🍺

[alexander-akait]

Done https://github.com/webpack/webpack-dev-middleware/releases/tag/v6.1.1 👍

[alexander-akait]

Note - the latest version of webpack-dev-server still use v5, we are preparing a new major webpack-dev-server release, so I hope it will be soon