Bump stylelint-webpack-plugin from `c9c52b7` to `d55894d`
Bump stylelint-webpack-plugin from `c9c52b7` to `d55894d`

Bumps [stylelint-webpack-plugin](https://github.com/tagliala/stylelint-webpack-plugin) from `c9c52b7` to `d55894d`.
- [Release notes](https://github.com/tagliala/stylelint-webpack-plugin/releases)
- [Commits](https://github.com/tagliala/stylelint-webpack-plugin/compare/c9c52b70f2f2c046ef9f9523d9db37062cc11200...d55894de12dc656fbcb440ffd6115e7922afff79)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
diowa/ruby2-rails5-bootstrap-heroku,diowa/ruby2-rails5-bootstrap-heroku,diowa/ruby2-rails5-bootstrap-heroku