chore(deps): update dependency mudblazor to 8.9.0

Author: renovate[bot]

Directory.Packages.props

@@ -25,7 +25,7 @@
     <!-- Blazor Demo Dependencies -->
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.0.6" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.6" />
-    <PackageVersion Include="MudBlazor" Version="8.8.0" />
+    <PackageVersion Include="MudBlazor" Version="8.9.0" />
     <PackageVersion Include="System.Text.Json" Version="9.0.6" />
     <PackageVersion Include="PublishSPAforGitHubPages.Build" Version="3.0.0" />
   </ItemGroup>