Bump MudBlazor from 6.7.0 to 6.8.0 (#166)

Bumps [MudBlazor](https://github.com/MudBlazor/MudBlazor) from 6.7.0 to 6.8.0.
- [Release notes](https://github.com/MudBlazor/MudBlazor/releases)
- [Changelog](https://github.com/MudBlazor/MudBlazor/blob/dev/CHANGELOG.md)
- [Commits](MudBlazor/MudBlazor@v6.7.0...v6.8.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

PointerStar/Client/PointerStar.Client.csproj

@@ -9,7 +9,7 @@
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.1" />
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="7.0.9" />
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="7.0.9" PrivateAssets="all" />
-    <PackageReference Include="MudBlazor" Version="6.7.0" />
+    <PackageReference Include="MudBlazor" Version="6.8.0" />
     <PackageReference Include="Toolbelt.Blazor.PWA.Updater" Version="2.1.0.1" />
   </ItemGroup>