chore(release): 21.0.0

Author: koba04

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [21.0.0](https://github.com/cybozu/eslint-config/compare/v20.0.1...v21.0.0) (2023-07-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* Drop Prettier v2 support
+
+* update prettier and eslint-config-prettier ([#687](https://github.com/cybozu/eslint-config/issues/687)) ([de15262](https://github.com/cybozu/eslint-config/commit/de15262aba1c4162ca2aeac4f452bab4939cc31f))
+
 ### [20.0.1](https://github.com/cybozu/eslint-config/compare/v19.0.0...v20.0.1) (2023-06-16)
 
 

package-lock.json

@@ -6,7 +6,7 @@
   "repository": "cybozu/eslint-config",
   "homepage": "https://github.com/cybozu/eslint-config",
   "bugs": "https://github.com/cybozu/eslint-config/issues",
-  "version": "20.0.1",
+  "version": "21.0.0",
   "description": "ESLint rules for Cybozu",
   "main": "index.js",
   "files": [