Update README.md

Author: jinzhongjia

README.md

@@ -2,7 +2,7 @@
 
 ![Logo](https://raw.githubusercontent.com/webui-dev/webui-logo/main/webui_zig.png)
 
-# WebUI Zig v2.5.0-beta.2
+# WebUI Zig v2.5.0-beta.4
 
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