#36 upgrade SignalR server

Author: DanielLarsenNZ

dotnet/ServerlessMicroservices.FunctionApp.Trips/ServerlessMicroservices.FunctionApp.Trips.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.EventGrid" Version="2.0.0" />
-    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.SignalRService" Version="1.0.0" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.SignalRService" Version="1.6.0" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage" Version="5.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Http" Version="3.0.12" />