Bump the dotnet group with 1 update (#4212)

Bumps Microsoft.AspNetCore.SignalR.Client from 9.0.7 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-patch
  dependency-group: dotnet
...

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

Author: dependabot[bot]

docs/real-time/snippets/signalr/SignalR.Web/SignalR.Web.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Blazor.LocalStorage" Version="9.0.1" />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.7" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.8" />
   </ItemGroup>
 
   <ItemGroup>