Update README.md

License badge update

README.md

@@ -4,7 +4,7 @@
 [![Coverage Status](https://codecov.io/gh/neelp03/throttlex/branch/main/graph/badge.svg)](https://codecov.io/gh/neelp03/throttlex)
 [![Go Report Card](https://goreportcard.com/badge/github.com/neelp03/throttlex)](https://goreportcard.com/report/github.com/neelp03/throttlex)
 [![GoDoc](https://godoc.org/github.com/neelp03/throttlex?status.svg)](https://godoc.org/github.com/neelp03/throttlex)
-[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
+[![License: Apache 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE)
 
 **Throttlex** is a Go package that provides flexible and efficient rate limiting for your applications. It supports multiple rate-limiting algorithms and storage backends, making it suitable for a variety of use cases, including REST APIs, gRPC services, and GraphQL APIs.