fix(deps): update kuromojin@3 and sentence-splitter (#6)

## Summary

- Update to [kuromojin@3](https://github.com/azu/kuromojin/releases/tag/v3.0.0) and improve analysis.
- 全角ピリオド（`．`）の対応 と センテンス判定の改善

## Features

- 全角ピリオド（`．`）の対応

##  Bug Fixes

- Update to [kuromojin@3](https://github.com/azu/kuromojin/releases/tag/v3.0.0)
  - refs azu/kuromojin#8
- Update to [sentence-splitter@3](https://github.com/azu/sentence-splitter/releases/tag/3.0.0)

README.md

@@ -16,10 +16,6 @@ Note: In generally, using same conjunctive particles is not an issue.  `ga` is s
 
     npm install textlint-rule-no-doubled-conjunctive-particle-ga
 
-### Require
-
-- textlint 5.0 >=
-
 ### Dependencies
 
 - [azu/kuromojin](https://github.com/azu/kuromojin): a wrapper of [kuromoji.js](https://github.com/takuyaa/kuromoji.js "kuromoji.js")