Update dependencies from https://github.com/dotnet/source-build-reference-packages build 20250923.1 (#120106)

On relative base path root
Microsoft.SourceBuild.Intermediate.source-build-reference-packages From Version 9.0.0-alpha.1.25462.1 -> To Version 9.0.0-alpha.1.25473.1

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -79,9 +79,9 @@
       <SourceBuild RepoName="emsdk" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.25462.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.25473.1">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>c0c87c3c3c8a5bf00101b729dc27f34bc7f0ce73</Sha>
+      <Sha>bd4018e4d8a9006e7f62378db31522354ab15aae</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->