Bump Microsoft.AspNetCore.SignalR.Protocols.Json from 8.0.7 to 8.0.8

Bumps [Microsoft.AspNetCore.SignalR.Protocols.Json](https://github.com/dotnet/aspnetcore) from 8.0.7 to 8.0.8.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v8.0.7...v8.0.8)

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.SignalR.Protocols.Json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -13,7 +13,7 @@
         <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
         <PackageVersion Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.7" />
         <PackageVersion Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="8.0.8" />
-        <PackageVersion Include="Microsoft.AspNetCore.SignalR.Protocols.Json" Version="8.0.7" />
+        <PackageVersion Include="Microsoft.AspNetCore.SignalR.Protocols.Json" Version="8.0.8" />
         <PackageVersion Include="Microsoft.Build" Version="17.7.2" />
         <PackageVersion Include="Microsoft.Build.Locator" Version="1.6.10" />
         <PackageVersion Include="Tapper" Version="1.11.0" />