docs(react-router): Update readme for beta (#16862)

Author: chargome

packages/react-router/README.md

@@ -4,16 +4,14 @@
   </a>
 </p>
 
-# Official Sentry SDK for React Router Framework (EXPERIMENTAL)
+# Official Sentry SDK for React Router Framework (BETA)
 
 [![npm version](https://img.shields.io/npm/v/@sentry/react-router.svg)](https://www.npmjs.com/package/@sentry/react-router)
 [![npm dm](https://img.shields.io/npm/dm/@sentry/react-router.svg)](https://www.npmjs.com/package/@sentry/react-router)
 [![npm dt](https://img.shields.io/npm/dt/@sentry/react-router.svg)](https://www.npmjs.com/package/@sentry/react-router)
 
-> [!WARNING]
-> This SDK is considered ⚠️ **experimental and in an alpha state**. It may experience breaking changes. Please reach out
-> on [GitHub](https://github.com/getsentry/sentry-javascript/issues/) if you have any feedback or concerns. This
-> SDK is for [React Router (framework)](https://reactrouter.com/start/framework/installation). If you're using [React Router (library)](https://reactrouter.com/start/library/installation) see our
+> This SDK is currently in beta. Beta features are still in progress and may have bugs. Please reach out on [GitHub](https://github.com/getsentry/sentry-javascript/issues/) if you have any feedback or concerns.
+> This SDK is for [React Router (framework)](https://reactrouter.com/start/framework/installation). If you're using [React Router (library)](https://reactrouter.com/start/library/installation) see our
 > [React SDK here](https://docs.sentry.io/platforms/javascript/guides/react/features/react-router/v7/).
 
 ## Links