docs: added a link to the license (#15222)

* Update README.md

* Update README.md

Author: Lubov66

README.md

@@ -3,7 +3,7 @@
 [![Build and Test For PR](https://github.com/apache/dubbo/actions/workflows/build-and-test-pr.yml/badge.svg)](https://github.com/apache/dubbo/actions/workflows/build-and-test-pr.yml)
 [![Codecov](https://codecov.io/gh/apache/dubbo/branch/3.3/graph/badge.svg)](https://codecov.io/gh/apache/dubbo)
 ![Maven](https://img.shields.io/maven-central/v/org.apache.dubbo/dubbo.svg)
-![License](https://img.shields.io/github/license/alibaba/dubbo.svg)
+[![License](https://img.shields.io/github/license/apache/dubbo.svg)](https://github.com/apache/dubbo/blob/3.3/LICENSE)
 [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/apache/dubbo.svg)](http://isitmaintained.com/project/apache/dubbo "Average time to resolve an issue")
 [![Percentage of issues still open](http://isitmaintained.com/badge/open/apache/dubbo.svg)](http://isitmaintained.com/project/apache/dubbo "Percentage of issues still open")