[main] Update dependencies from dotnet/runtime dnceng/internal/dotnet-optimization dotnet/arcade dotnet/xharness dotnet/roslyn-analyzers dotnet/emsdk (#56211)

* Update dependencies from https://github.com/dotnet/xharness build 20210722.1

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21370.1 -> To Version 1.0.0-prerelease.21372.1

* Update dependencies from https://github.com/dotnet/arcade build 20210723.11

Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.Build.Tasks.Workloads , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.GenFacades , Microsoft.DotNet.GenAPI , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.PackageTesting , Microsoft.DotNet.Helix.Sdk , Microsoft.DotNet.SharedFramework.Sdk
 From Version 6.0.0-beta.21370.12 -> To Version 6.0.0-beta.21373.11

* Update dependencies from https://github.com/dotnet/xharness build 20210723.1

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21370.1 -> To Version 1.0.0-prerelease.21373.1

* Update dependencies from https://github.com/dotnet/roslyn-analyzers build 20210723.2

Microsoft.CodeAnalysis.NetAnalyzers
 From Version 6.0.0-rc1.21366.2 -> To Version 6.0.0-rc1.21373.2

* Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-optimization build 20210724.3

optimization.linux-x64.MIBC.Runtime , optimization.windows_nt-x64.MIBC.Runtime , optimization.windows_nt-x86.MIBC.Runtime , optimization.PGO.CoreCLR
 From Version 1.0.0-prerelease.21371.3 -> To Version 1.0.0-prerelease.21374.3

* Update dependencies from https://github.com/dotnet/roslyn-analyzers build 20210725.2

Microsoft.CodeAnalysis.NetAnalyzers
 From Version 6.0.0-rc1.21366.2 -> To Version 6.0.0-rc1.21375.2

* Revert SDK bump

It will be done in https://github.com/dotnet/runtime/pull/56161

* Update dependencies from https://github.com/dotnet/runtime build 20210725.2

Microsoft.NETCore.DotNetHost , Microsoft.NETCore.DotNetHostPolicy , Microsoft.NETCore.ILAsm , runtime.native.System.IO.Ports , Microsoft.NET.Sdk.IL , System.Text.Json , System.Runtime.CompilerServices.Unsafe
 From Version 6.0.0-rc.1.21369.2 -> To Version 6.0.0-rc.1.21375.2

* Update dependencies from https://github.com/dotnet/arcade build 20210723.11

Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.Build.Tasks.Workloads , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.GenFacades , Microsoft.DotNet.GenAPI , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.PackageTesting , Microsoft.DotNet.Helix.Sdk , Microsoft.DotNet.SharedFramework.Sdk
 From Version 6.0.0-beta.21370.12 -> To Version 6.0.0-beta.21373.11

* Revert SDK bump

* Update dependencies from https://github.com/dotnet/emsdk build 20210726.1

Microsoft.NET.Workload.Emscripten.Manifest-6.0.100
 From Version 6.0.0-rc.1.21369.1 -> To Version 6.0.0-rc.1.21376.1

* Update dependencies from https://github.com/dotnet/emsdk build 20210726.4

Microsoft.NET.Workload.Emscripten.Manifest-6.0.100
 From Version 6.0.0-rc.1.21369.1 -> To Version 6.0.0-rc.1.21376.4
Co-authored-by: Ndotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: NAlexander Köplinger <alex.koeplinger@outlook.com>