chore(readme): update badges

Author: stainless-app[bot]

README.md

@@ -1,6 +1,6 @@
 # OpenAI TypeScript and JavaScript API Library
 
-[![NPM version](https://img.shields.io/npm/v/openai.svg)](https://npmjs.org/package/openai) ![npm bundle size](https://img.shields.io/bundlephobia/minzip/openai) [![JSR Version](https://jsr.io/badges/@openai/openai)](https://jsr.io/@openai/openai)
+[![NPM version](<https://img.shields.io/npm/v/openai.svg?label=npm%20(stable)>)](https://npmjs.org/package/openai) ![npm bundle size](https://img.shields.io/bundlephobia/minzip/openai) [![JSR Version](https://jsr.io/badges/@openai/openai)](https://jsr.io/@openai/openai)
 
 This library provides convenient access to the OpenAI REST API from TypeScript or JavaScript.