update changelog for v4.0.1 changes

CHANGELOG.md

@@ -1,3 +1,13 @@
+<a name="v4.0.1"></a>
+# [v4.0.1](https://github.com/rhysd/remark-emoji/releases/tag/v4.0.1) - 29 Oct 2023
+
+- Fix type definitions ([#29](https://github.com/rhysd/remark-emoji/issues/29))
+  - This plugin is for transforming mdast (Markdown AST). Now it is explicitly defined as the 2nd type parameter of `unified.Plugin`.
+  - `@types/mdast` and `unified` are now runtime dependencies. This ensures that the correct versions of those packages are referred by TypeScript compiler.
+
+[Changes][v4.0.1]
+
+
 <a name="v4.0.0"></a>
 # [v4.0.0](https://github.com/rhysd/remark-emoji/releases/tag/v4.0.0) - 10 Aug 2023
 
@@ -6,6 +16,7 @@
 [Changes][v4.0.0]
 
 
+[v4.0.1]: https://github.com/rhysd/remark-emoji/compare/v4.0.0...v4.0.1
 [v4.0.0]: https://github.com/rhysd/remark-emoji/tree/v4.0.0
 
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