updated readme

Author: kvsxxx

README.md

@@ -176,7 +176,7 @@ You can find more (and better) examples [here](https://github.com/discord-py-ui/
 
 # Changelog
 -   <details>
-    <summary>4.3.7</summary>
+    <summary>4.3.8</summary>
 
     ## **Fixed**
     - Issue with SlashOptions