Update dependencies from https://github.com/dotnet/source-build-externals build 20250225.1

Microsoft.SourceBuild.Intermediate.source-build-externals
 From Version 10.0.611801 -> To Version 10.0.612501

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -376,9 +376,9 @@
       <Sha>77115c33ec4fb8688e4803cd8f76cd0fa4bff7d7</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="10.0.611801">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="10.0.612501">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>444d6d658db0ce670148c09f259efc3d405f7b01</Sha>
+      <Sha>7e957c8a70dfb4c2f8bae636da7af0be225b26c2</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
   </ProductDependencies>

eng/Versions.props

@@ -172,7 +172,7 @@
     <MicrosoftDotNetRemoteExecutorVersion>10.0.0-beta.25106.4</MicrosoftDotNetRemoteExecutorVersion>
     <MicrosoftSourceBuildIntermediatearcadeVersion>10.0.0-beta.25106.4</MicrosoftSourceBuildIntermediatearcadeVersion>
     <!-- Packages from dotnet/source-build-externals -->
-    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>10.0.611801</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
+    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>10.0.612501</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
     <!-- Packages from dotnet/source-build-reference-packages -->
     <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>10.0.611901</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
     <!-- Packages from dotnet/symreader -->