chore: bump version 9.4.9-beta09

Co-Authored-By: trycatchfinnally <37445968+trycatchfinnally@users.noreply.github.com>

Author: ArgoZhang

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.4.9-beta08</Version>
+    <Version>9.4.9-beta09</Version>
   </PropertyGroup>
 
   <ItemGroup>