docs: fix link to release v4.0.0

Author: webdiscus

README.md

@@ -5,9 +5,9 @@
     </h1>
 </div>
 
-[![npm](https://img.shields.io/npm/v/html-bundler-webpack-plugin?logo=npm&color=brightgreen 'npm package')](https://www.npmjs.com/package/html-bundler-webpack-plugin/v/4.0.0-beta.1 'download npm package')
+[![npm](https://img.shields.io/npm/v/html-bundler-webpack-plugin?logo=npm&color=brightgreen 'npm package')](https://www.npmjs.com/package/html-bundler-webpack-plugin 'download npm package')
 [![node](https://img.shields.io/node/v/html-bundler-webpack-plugin)](https://nodejs.org)
-[![node](https://img.shields.io/github/package-json/dependency-version/webdiscus/html-bundler-webpack-plugin/peer/webpack)](https://webpack.js.org/)
+[![node](https://img.shields.io/github/package-json/dependency-version/webdiscus/html-bundler-webpack-plugin/peer/webpack)](https://webpack.js.org)
 [![Test](https://github.com/webdiscus/html-bundler-webpack-plugin/actions/workflows/test.yml/badge.svg)](https://github.com/webdiscus/html-bundler-webpack-plugin/actions/workflows/test.yml)
 [![codecov](https://codecov.io/gh/webdiscus/html-bundler-webpack-plugin/branch/master/graph/badge.svg?token=Q6YMEN536M)](https://codecov.io/gh/webdiscus/html-bundler-webpack-plugin)
 [![node](https://img.shields.io/npm/dm/html-bundler-webpack-plugin)](https://www.npmjs.com/package/html-bundler-webpack-plugin)