chore: Bump Microsoft.AspNetCore.SignalR.Client from 8.0.8 to 9.0.8

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.SignalR.Client
  dependency-version: 9.0.8
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

dashboard/Dashboard.csproj

@@ -11,7 +11,7 @@
     <IsPackable>false</IsPackable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.8"/>
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.8"/>
     <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="8.0.19"/>
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.8.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.8.1" />