[release/9.0] Update dependencies from dotnet/source-build-externals (#57528)

* Update dependencies from https://github.com/dotnet/source-build-externals build 20240821.1

Microsoft.SourceBuild.Intermediate.source-build-externals
 From Version 9.0.0-alpha.1.24407.1 -> To Version 9.0.0-alpha.1.24421.1

* Update dependencies from https://github.com/dotnet/source-build-externals build 20240826.2

Microsoft.SourceBuild.Intermediate.source-build-externals
 From Version 9.0.0-alpha.1.24421.1 -> To Version 9.0.0-alpha.1.24426.2

---------

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>31528d082bd760377b8d818fc839a338cd071b1f</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="9.0.0-alpha.1.24407.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="9.0.0-alpha.1.24426.2">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>51b029e3272f35af0af337823cd122725f316c69</Sha>
+      <Sha>59b98ae5bd04e1eebc8ed323193c62ab9e15efe1</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
   </ProductDependencies>

eng/Versions.props

@@ -170,7 +170,7 @@
     <MicrosoftDotNetRemoteExecutorVersion>9.0.0-beta.24429.5</MicrosoftDotNetRemoteExecutorVersion>
     <MicrosoftSourceBuildIntermediatearcadeVersion>9.0.0-beta.24429.5</MicrosoftSourceBuildIntermediatearcadeVersion>
     <!-- Packages from dotnet/source-build-externals -->
-    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>9.0.0-alpha.1.24407.1</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
+    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>9.0.0-alpha.1.24426.2</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
     <!-- Packages from dotnet/source-build-reference-packages -->
     <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>9.0.0-alpha.1.24413.1</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
     <!-- Packages from dotnet/symreader -->