Update dependencies from https://github.com/dotnet/source-build-reference-packages build 20250404.3 (#11685)

Microsoft.SourceBuild.Intermediate.source-build-reference-packages
 From Version 9.0.0-alpha.1.25170.3 -> To Version 9.0.0-alpha.1.25204.3

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -2,9 +2,9 @@
 <Dependencies>
   <ProductDependencies>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.25170.3">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.25204.3">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>6968f7059f4418e985febe704a3b1320f9e5887d</Sha>
+      <Sha>643689c88b1d5a0f1561383972c4189a0c673abe</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->