Update dependencies from https://github.com/dotnet/source-build-externals build 20240923.2 (#58154)

Microsoft.SourceBuild.Intermediate.source-build-externals
 From Version 10.0.0-alpha.1.24466.1 -> To Version 10.0.0-alpha.1.24473.2

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -372,9 +372,9 @@
       <Sha>0f3d6fafc184b76e89c5a4ede02b6f5198a36e2e</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="10.0.0-alpha.1.24466.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="10.0.0-alpha.1.24473.2">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>771084d1612ff35d0b9943a5a0e639e8166b5ab6</Sha>
+      <Sha>bc43c328b4788e3cb68e9b4dc764443f2aa29a24</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
   </ProductDependencies>

eng/Versions.props

@@ -170,7 +170,7 @@
     <MicrosoftDotNetRemoteExecutorVersion>10.0.0-beta.24476.2</MicrosoftDotNetRemoteExecutorVersion>
     <MicrosoftSourceBuildIntermediatearcadeVersion>10.0.0-beta.24476.2</MicrosoftSourceBuildIntermediatearcadeVersion>
     <!-- Packages from dotnet/source-build-externals -->
-    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>10.0.0-alpha.1.24466.1</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
+    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>10.0.0-alpha.1.24473.2</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
     <!-- Packages from dotnet/source-build-reference-packages -->
     <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>10.0.0-alpha.1.24473.1</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
     <!-- Packages from dotnet/symreader -->