[main] Update dependencies from dotnet/source-build-externals (#15345)

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -180,9 +180,9 @@
       <Sha>c3ad00ae84489071080a606f6a8e43c9a91a5cc2</Sha>
       <SourceBuildTarball RepoName="deployment-tools" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.23068.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.23074.1">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>85115c949d0e38ef3a077885e0a0d16dffc80e08</Sha>
+      <Sha>a2620646b085265ef80313fabc4868824c3c9f86</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.SourceBuild.Intermediate.symreader" Version="1.4.0-beta2-21475-02">