…rce-build-externals (#1170)

* Update dependencies from https://github.com/dotnet/arcade build 20250213.2

Microsoft.SourceBuild.Intermediate.arcade , Microsoft.DotNet.Arcade.Sdk
 From Version 10.0.0-beta.25106.4 -> To Version 10.0.0-beta.25113.2

* Update dependencies from https://github.com/dotnet/sdk build 20250214.7

Microsoft.DotNet.GenAPI.Task
 From Version 10.0.100-preview.2.25108.4 -> To Version 10.0.100-preview.2.25114.7

* Update dependencies from https://github.com/dotnet/source-build-externals build 20250210.1

Microsoft.SourceBuild.Intermediate.source-build-externals
 From Version 10.0.610402 -> To Version 10.0.611001

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

…tem.Runtime.CompilerServices.Unsafe (#1151)

* Add ref package System.Runtime.CompilerServices.Unsafe 6.1.1

* Add maintenance-packages feed containing the official release version of this package

* Add DependencyPackageProjects entry in eng/Build.props.
Move nuget.config key to the bottom with a comment.

* update feed

* System.Reflection.DispatchProxy

* Build.props

* Add Microsoft.Build/17.12.6 and dependencies back

Requires by nuget-client

* Add dependency package projects

…rce-build-externals (#1171)

* Update dependencies from https://github.com/dotnet/arcade build 20250220.6

Microsoft.SourceBuild.Intermediate.arcade , Microsoft.DotNet.Arcade.Sdk
 From Version 10.0.0-beta.25113.2 -> To Version 10.0.0-beta.25120.6

* Update dependencies from https://github.com/dotnet/source-build-externals build 20250218.1

Microsoft.SourceBuild.Intermediate.source-build-externals
 From Version 10.0.611001 -> To Version 10.0.611801

* Update dependencies from https://github.com/dotnet/sdk build 20250222.1

Microsoft.DotNet.GenAPI.Task
 From Version 10.0.100-preview.2.25114.7 -> To Version 10.0.100-preview.3.25122.1

* React to NuGet package pruning feature

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Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: Viktor Hofer <viktor.hofer@microsoft.com>

* Remove unreferenced packages

* Remove unused DependencyPackageProjects

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Co-authored-by: Michael Simons <msimons@microsoft.com>

…225.2 (#1174)

Microsoft.SourceBuild.Intermediate.arcade , Microsoft.DotNet.Arcade.Sdk
 From Version 10.0.0-beta.25120.6 -> To Version 10.0.0-beta.25125.2

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