Bump Microsoft.AspNetCore.SignalR.Core from 1.1.0 to 1.2.0 in /src/backend · microsoft/vsts-extension-retrospectives@44d8bb1

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Build: src/backend/ReflectHub.cs#L33

'TelemetryConfiguration.TelemetryConfiguration(string)' is obsolete: 'InstrumentationKey based global ingestion is being deprecated. Use the default constructor and manually set TelemetryConfiguration.ConnectionString. See https://github.com/microsoft/ApplicationInsights-dotnet/issues/2560 for more details.'

Build: src/backend/Startup.cs#L112

'AzureSignalRApplicationBuilderExtensions.UseAzureSignalR(IApplicationBuilder, Action<ServiceRouteBuilder>)' is obsolete: 'IApplicationBuilder.UseAzureSignalR is obsoleted, please use IApplicationBuilder.UseEndpoints() instead.'

Build: src/backend/ReflectHub.cs#L33

'TelemetryConfiguration.TelemetryConfiguration(string)' is obsolete: 'InstrumentationKey based global ingestion is being deprecated. Use the default constructor and manually set TelemetryConfiguration.ConnectionString. See https://github.com/microsoft/ApplicationInsights-dotnet/issues/2560 for more details.'

Build: src/backend/Startup.cs#L112

'AzureSignalRApplicationBuilderExtensions.UseAzureSignalR(IApplicationBuilder, Action<ServiceRouteBuilder>)' is obsolete: 'IApplicationBuilder.UseAzureSignalR is obsoleted, please use IApplicationBuilder.UseEndpoints() instead.'

Test: src/backend.tests/ReflectHubTests.cs#L19