misc: Update README.md

Author: Miaxos

README.md

@@ -5,7 +5,7 @@ async-graphql-extension-apollo-tracing
   <!-- CI -->
   <img src="https://github.com/Miaxos/async_graphql_apollo_studio_extension/actions/workflows/ci.yml/badge.svg" />
   <!-- Crates version -->
-  <a href="https://crates.io/crates/async-graphql">
+  <a href="https://crates.io/crates/async-graphql-extension-apollo-tracing">
     <img src="https://img.shields.io/crates/v/async-graphql.svg?style=flat-square"
     alt="Crates.io version" />
   </a>