Update dependencies from https://github.com/dotnet/source-build-reference-packages build 20251015.5

On relative base path root
Microsoft.SourceBuild.Intermediate.source-build-reference-packages From Version 9.0.0-alpha.1.25506.2 -> To Version 9.0.0-alpha.1.25515.5

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -451,9 +451,9 @@
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.25506.2">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.25515.5">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>5511a69718e9d581386105705152592cee268e37</Sha>
+      <Sha>550eb5bea283ffda9783a68ebd08f79e8f460e6e</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.Deployment.DotNet.Releases" Version="2.0.0-rtm.1.25059.4">