Update README

Author: bvaughn

README.md

@@ -2,7 +2,7 @@
 
 Reusable React [error boundary](https://react.dev/reference/react/Component#catching-rendering-errors-with-an-error-boundary) component. Supports all React renderers (including React DOM and React Native).
 
-### If you like this project, [buy me a coffee](http://givebrian.coffee/).
+### If you like this project, 🎉 [become a sponsor](https://github.com/sponsors/bvaughn/) or ☕ [buy me a coffee](http://givebrian.coffee/)
 
 ## Getting started