Update dependencies from https://github.com/dotnet/source-build-externals build 20240508.1 (#102075)

Microsoft.SourceBuild.Intermediate.source-build-externals
 From Version 9.0.0-alpha.1.24256.2 -> To Version 9.0.0-alpha.1.24258.1

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -85,9 +85,9 @@
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="9.0.0-alpha.1.24256.2">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="9.0.0-alpha.1.24258.1">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>94b5dd594f49b5b38e28e4d5c733caa8555947a4</Sha>
+      <Sha>7dc4b475c02c94754d95520e81d107bbe1909336</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
   </ProductDependencies>