Bump Microsoft.AspNetCore.SignalR.Protocols.MessagePack (#276)

Bumps [Microsoft.AspNetCore.SignalR.Protocols.MessagePack](https://github.com/aspnet/AspNetCore) from 1.0.4 to 1.1.5.
- [Release notes](https://github.com/aspnet/AspNetCore/releases)
- [Changelog](https://github.com/aspnet/AspNetCore/blob/master/docs/CrossRepoBreakingChanges.md)
- [Commits](dotnet/aspnetcore@1.0.4...1.1.5)

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

Author: dependabot-preview[bot]

Fritz.StreamTools/Fritz.StreamTools.csproj

@@ -23,7 +23,7 @@
 		<PackageReference Include="LazyCache.AspNetCore" Version="2.0.0-beta03" />
 		<PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.7.0" />
 		<PackageReference Include="Microsoft.AspNetCore.App" />
-		<PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="1.0.4" />
+		<PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="1.1.5" />
 		<PackageReference Include="Microsoft.Azure.CognitiveServices.Language.TextAnalytics" Version="3.0.0" />
 		<PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.0" />
 		<PackageReference Include="Octokit" Version="0.32.0" />