Merging internal commits for release/8.0.4xx (#51244)

Known test failure

Author: joeloff

NuGet.config

@@ -4,6 +4,7 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-emsdk -->
+    <add key="darc-pub-dotnet-emsdk-42532a7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-42532a75/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
     <!--  Begin: Package sources from dotnet-format -->
     <add key="darc-pub-dotnet-format-64cbc6c" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-format-64cbc6c3/nuget/v3/index.json" />
@@ -13,18 +14,21 @@
     <add key="darc-pub-dotnet-format-64cbc6c-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-format-64cbc6c3-1/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-format -->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
+    <add key="darc-int-dotnet-aspnetcore-6254f5c" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-aspnetcore-6254f5ca/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
-    <add key="darc-pub-DotNet-msbuild-Trusted-70f0ec6" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-70f0ec66/nuget/v3/index.json" />
+    <add key="darc-int-DotNet-msbuild-Trusted-02bf662" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-DotNet-msbuild-Trusted-02bf6629/nuget/v3/index.json" />
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  Begin: Package sources from dotnet-roslyn-analyzers -->
     <!--  End: Package sources from dotnet-roslyn-analyzers -->
     <!--  Begin: Package sources from dotnet-runtime -->
+    <add key="darc-int-dotnet-runtime-362ab66" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-362ab666/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-templating -->
-    <add key="darc-pub-dotnet-templating-fe0130d" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-fe0130d7/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-templating-a2c4545" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-a2c45457/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
+    <add key="darc-int-dotnet-windowsdesktop-74e82c7" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-windowsdesktop-74e82c7a/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--  Begin: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-winforms -->
@@ -51,14 +55,18 @@
     <!--  Begin: Package sources from dotnet-templating -->
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
+    <add key="darc-int-dotnet-aspnetcore-6254f5c" value="true" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
+    <add key="darc-int-DotNet-msbuild-Trusted-02bf662" value="true" />
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  Begin: Package sources from dotnet-format -->
     <!--  End: Package sources from dotnet-format -->
     <!--  Begin: Package sources from dotnet-runtime -->
+    <add key="darc-int-dotnet-runtime-362ab66" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
+    <add key="darc-int-dotnet-windowsdesktop-74e82c7" value="true" />
     <!--  Begin: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-windowsdesktop -->