Prepare 4.0.0

ybiquitous · ybiquitous · commit 17a3c56771fd · 2023-07-19T22:23:14.000+09:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## Head
+## 4.0.0
 
 - Remove Node.js 14 support.
 - Bump `npm-package-json-lint` to `^7.0.0`.
