Bump Microsoft.AspNetCore.SignalR.Client from 7.0.8 to 7.0.9 (#1902)

Bumps [Microsoft.AspNetCore.SignalR.Client](https://github.com/dotnet/aspnetcore) from 7.0.8 to 7.0.9.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v7.0.8...v7.0.9)

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

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

src/HealthChecks.SignalR/HealthChecks.SignalR.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="7.0.8" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="7.0.9" />
     <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="7.0.3" />
   </ItemGroup>