chore: bump version 9.6.4-beta02

Co-Authored-By: ChrisHsieh999 <206642680+chrishsieh999@users.noreply.github.com>

Author: ArgoZhang

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.6.4-beta02</Version>
+    <Version>9.6.4-beta03</Version>
   </PropertyGroup>
 
   <ItemGroup>