[release/5.0-preview6] Update dependencies from dotnet/runtime dotnet/efcore (#22622)

* Update dependencies from https://github.com/dotnet/runtime build 20200605.6

System.ComponentModel.Annotations , System.Diagnostics.DiagnosticSource , System.Diagnostics.EventLog , Microsoft.Extensions.Logging.Configuration , Microsoft.Extensions.Logging.Console , Microsoft.Extensions.Logging.Debug , Microsoft.Extensions.Logging.EventLog , Microsoft.Extensions.Logging.EventSource , Microsoft.Extensions.Logging.TraceSource , Microsoft.Extensions.Options , Microsoft.Extensions.Options.ConfigurationExtensions , Microsoft.Extensions.Options.DataAnnotations , Microsoft.Extensions.Primitives , Microsoft.Extensions.Logging.Abstractions , Microsoft.Extensions.Logging , Microsoft.Extensions.Internal.Transport , Microsoft.Extensions.Http , Microsoft.Extensions.Caching.Abstractions , Microsoft.Extensions.Caching.Memory , Microsoft.Extensions.Configuration , Microsoft.Extensions.Configuration.Abstractions , Microsoft.Extensions.Configuration.Binder , Microsoft.Extensions.Configuration.CommandLine , Microsoft.Extensions.Configuration.EnvironmentVariables , Microsoft.Extensions.Configuration.FileExtensions , Microsoft.Extensions.Configuration.Ini , Microsoft.Extensions.Configuration.Json , Microsoft.Extensions.Configuration.Xml , Microsoft.Extensions.DependencyInjection , Microsoft.Extensions.DependencyInjection.Abstractions , Microsoft.Extensions.DependencyModel , Microsoft.Extensions.FileProviders.Abstractions , Microsoft.Extensions.FileProviders.Composite , Microsoft.Extensions.FileProviders.Physical , Microsoft.Extensions.FileSystemGlobbing , Microsoft.Extensions.Hosting , Microsoft.Extensions.Hosting.Abstractions , Microsoft.Extensions.Configuration.UserSecrets , Microsoft.NETCore.App.Runtime.win-x64 , Microsoft.NETCore.Platforms , Microsoft.Win32.Registry , Microsoft.Win32.SystemEvents , Microsoft.NETCore.App.Internal , Microsoft.NETCore.App.Ref , System.Drawing.Common , System.Text.Encodings.Web , System.Text.Json , System.Threading.Channels , System.Windows.Extensions , System.ServiceProcess.ServiceController , System.Security.Permissions , System.IO.Pipelines , System.Net.Http.Json , System.Net.Http.WinHttpHandler , System.Net.WebSockets.WebSocketProtocol , System.Reflection.Metadata , System.Runtime.CompilerServices.Unsafe , System.Security.Cryptography.Cng , System.Security.Cryptography.Pkcs , System.Security.Cryptography.Xml , System.Security.Principal.Windows
 From Version 5.0.0-preview.6.20304.6 -> To Version 5.0.0-preview.6.20305.6

* Update dependencies from https://github.com/dotnet/efcore build 20200606.2

Microsoft.EntityFrameworkCore.Tools , Microsoft.EntityFrameworkCore.SqlServer , dotnet-ef , Microsoft.EntityFrameworkCore , Microsoft.EntityFrameworkCore.Relational , Microsoft.EntityFrameworkCore.Sqlite , Microsoft.EntityFrameworkCore.InMemory
 From Version 5.0.0-preview.6.20303.5 -> To Version 5.0.0-preview.6.20306.2

* ReferenceHandling is now ReferenceHandler

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: Lukas Lansky <[email protected]>

Author: dotnet-maestro[bot]