Bump MudBlazor from 8.12.0 to 8.13.0 (#23)

---
updated-dependencies:
- dependency-name: MudBlazor
  dependency-version: 8.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

src/MudBlazorGitHubPages/MudBlazorGitHubPages.csproj

@@ -23,7 +23,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.9" PrivateAssets="all" />
   <PackageReference Include="Microsoft.NET.ILLink.Tasks" Version="9.0.9" />
   <PackageReference Include="Microsoft.NET.Sdk.WebAssembly.Pack" Version="9.0.9" />
-    <PackageReference Include="MudBlazor" Version="8.12.0" />
+    <PackageReference Include="MudBlazor" Version="8.13.0" />
     <PackageReference Include="PublishSPAforGitHubPages.Build" Version="3.0.3" />
     <PackageReference Include="Serilog" Version="4.3.0" />
     <PackageReference Include="Serilog.Sinks.BrowserConsole" Version="8.0.0" />