message: feat(postcss): add missing extensions
  The list of supported filenames can be found on
diff: @@ -3070,8 +3070,12 @@ export const extensions: IFileCollection = {
  extensions: [
  '.postcssrc',
  '.postcssrc.json',
  + '.postcssrc.yaml',
  '.postcssrc.yml',
  + '.postcssrc.ts',
  '.postcssrc.js',
  + '.postcssrc.cjs',
  + 'postcss.config.ts',
  'postcss.config.js',
  'postcss.config.cjs',
  ],
  