Update dependencies from https://github.com/dotnet/source-build-reference-packages build 20250814.2

Microsoft.SourceBuild.Intermediate.source-build-reference-packages
 From Version 8.0.0-alpha.1.25316.2 -> To Version 8.0.0-alpha.1.25414.2

Author: dotnet-maestro[bot]

NuGet.config

@@ -4,8 +4,6 @@
     <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-6fd14a4" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-6fd14a46/nuget/v3/index.json" />
-    <add key="darc-pub-dotnet-emsdk-6fd14a4-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-6fd14a46-1/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" />
@@ -15,21 +13,18 @@
     <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-277e317" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-aspnetcore-277e317d/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
     <add key="darc-pub-DotNet-msbuild-Trusted-18f1ecf" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-18f1ecf8/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-fce8ed9" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-fce8ed90/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-templating -->
     <add key="darc-pub-dotnet-templating-9b452dd" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-9b452ddd/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
-    <add key="darc-int-dotnet-windowsdesktop-5fa74c8" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-windowsdesktop-5fa74c83/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--  Begin: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-winforms -->
@@ -56,17 +51,14 @@
     <!--  Begin: Package sources from dotnet-templating -->
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
-    <add key="darc-int-dotnet-aspnetcore-277e317" value="true" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
     <!--  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-fce8ed9" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
-    <add key="darc-int-dotnet-windowsdesktop-5fa74c8" value="true" />
     <!--  Begin: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-windowsdesktop -->

eng/Version.Details.xml

@@ -354,9 +354,9 @@
       <Sha>16bcad1c13be082bd52ce178896d1119a73081a9</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25316.2">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25414.2">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>3827e68e002064268d4be4b2d1d96048f9794808</Sha>
+      <Sha>4f43a405d713b6e9b2963ebbac4850eae1804982</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.Deployment.DotNet.Releases" Version="2.0.0-rtm.1.25064.1">