Remove @types/stylelint since stylelint has it's own types

[PodaruDragos]

Bug report

using this plugin will result in Expression Denial of Service in postcss from @types/stylelint

Actual Behavior

Expression Denial of Service in postcss - GHSA-566m-qj78-rww5

Expected Behavior

no denial of service

How Do We Reproduce?

just use styleint-webpack-plugin and you'll get the audit report

postcss  <8.2.13
Severity: moderate
Regular Expression Denial of Service in postcss - https://github.com/advisories/GHSA-566m-qj78-rww5
fix available via `npm audit fix --force`
Will install stylelint-webpack-plugin@2.1.1, which is a breaking change
node_modules/@types/stylelint/node_modules/postcss
node_modules/postcss-filter-plugins/node_modules/postcss
node_modules/postcss-icss-keyframes/node_modules/postcss
node_modules/postcss-icss-selectors/node_modules/postcss
  @types/stylelint  9.10.0 - 13.13.3
  Depends on vulnerable versions of postcss
  node_modules/@types/stylelint
    stylelint-webpack-plugin  >=2.2.0
    Depends on vulnerable versions of @types/stylelint
    node_modules/stylelint-webpack-plugin
  icss-utils  <=4.1.1
  Depends on vulnerable versions of postcss
  node_modules/postcss-icss-keyframes/node_modules/icss-utils
  node_modules/postcss-filter-plugins
    typescript-plugin-css-modules  *
    Depends on vulnerable versions of postcss-filter-plugins
    Depends on vulnerable versions of postcss-icss-keyframes
    Depends on vulnerable versions of postcss-icss-selectors
    node_modules/typescript-plugin-css-modules
  postcss-icss-keyframes  *
  Depends on vulnerable versions of postcss
  node_modules/postcss-icss-keyframes
  postcss-icss-selectors  *
  Depends on vulnerable versions of postcss
  node_modules/postcss-icss-selectors

8 moderate severity vulnerabilities