Updated bundle size on readme

Author: erikras

README.md

@@ -15,7 +15,7 @@
 
 ✅ Opt-in subscriptions - only update on the state you need!
 
-✅ 💥 [**2.9k gzipped**](https://bundlephobia.com/result?p=react-final-form) 💥
+✅ 💥 [**3.0k gzipped**](https://bundlephobia.com/result?p=react-final-form) 💥
 
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