[main] Update dependencies from dotnet/source-build-reference-packages (#57459)

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

Microsoft.SourceBuild.Intermediate.source-build-reference-packages
 From Version 10.0.0-alpha.1.24419.1 -> To Version 10.0.0-alpha.1.24421.1

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

Microsoft.SourceBuild.Intermediate.source-build-reference-packages
 From Version 10.0.0-alpha.1.24421.1 -> To Version 10.0.0-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

@@ -339,9 +339,9 @@
       <Sha>0d51607fb791c51a14b552ed24fe3430c252148b</Sha>
       <SourceBuild RepoName="xdt" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="10.0.0-alpha.1.24419.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="10.0.0-alpha.1.24426.2">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>c818c3cf018e7aa9fd31f6aed5d14e9b59f03e4f</Sha>
+      <Sha>6c26545ca7999a4192df6899ea9ed4eaa950d367</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <!-- Not updated automatically -->

eng/Versions.props

@@ -172,7 +172,7 @@
     <!-- Packages from dotnet/source-build-externals -->
     <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>10.0.0-alpha.1.24415.1</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
     <!-- Packages from dotnet/source-build-reference-packages -->
-    <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>10.0.0-alpha.1.24419.1</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
+    <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>10.0.0-alpha.1.24426.2</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
     <!-- Packages from dotnet/symreader -->
     <MicrosoftSourceBuildIntermediatesymreaderVersion>2.2.0-beta.24327.2</MicrosoftSourceBuildIntermediatesymreaderVersion>
     <!-- Packages from dotnet/winforms -->