stylelint を v15 以降に更新する際に stylelint-config-prettier に関連する定義 ## References - [Migrating to 15.0.0 | Stylelint](https://stylelint.io/migration-guide/to-15/#deprecated-stylistic-rules) - [Stylelint v15 "rule is deprecated" · Issue #140 · prettier/stylelint-config-prettier](https://github.com/prettier/stylelint-config-prettier/issues/140) - [Remove deprecated rules for Stylelint v15+ · Issue #139 · prettier/stylelint-config-prettier](https://github.com/prettier/stylelint-config-prettier/issues/139)
