[release/8.0] Update dependencies from dotnet/emsdk (#119751)

* Update dependencies from https://github.com/dotnet/emsdk build 20250915.1
On relative base path root
Microsoft.SourceBuild.Intermediate.emsdk From Version 8.0.21-servicing.25458.3 -> To Version 8.0.21-servicing.25465.1
Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100 From Version 8.0.21 -> To Version 8.0.21

* Update dependencies from https://github.com/dotnet/emsdk build 20250916.1
On relative base path root
Microsoft.SourceBuild.Intermediate.emsdk From Version 8.0.21-servicing.25458.3 -> To Version 8.0.21-servicing.25466.1
Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100 From Version 8.0.21 -> To Version 8.0.21

* Update dependencies from https://github.com/dotnet/emsdk build 20250916.5
On relative base path root
Microsoft.SourceBuild.Intermediate.emsdk From Version 8.0.21-servicing.25458.3 -> To Version 8.0.21-servicing.25466.5
Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100 From Version 8.0.21 -> To Version 8.0.21

* Update dependencies from https://github.com/dotnet/emsdk build 20250917.3
On relative base path root
Microsoft.SourceBuild.Intermediate.emsdk From Version 8.0.21-servicing.25458.3 -> To Version 8.0.21-servicing.25467.3
Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100 From Version 8.0.21 -> To Version 8.0.21

* Update dependencies from https://github.com/dotnet/emsdk build 20250919.3
On relative base path root
Microsoft.SourceBuild.Intermediate.emsdk From Version 8.0.21-servicing.25458.3 -> To Version 8.0.21-servicing.25469.3
Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100 From Version 8.0.21 -> To Version 8.0.21

---------

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

Author: dotnet-maestro[bot]

NuGet.config

@@ -9,7 +9,7 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-emsdk -->
-    <add key="darc-pub-dotnet-emsdk-ea366a7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-ea366a7a/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-42532a7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-42532a75/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
     <!--  Begin: Package sources from dotnet-sdk -->
     <!--  End: Package sources from dotnet-sdk -->

eng/Version.Details.xml

@@ -92,11 +92,11 @@
     </Dependency>
     <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.21">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>ea366a7a40bc588c70ef59376040130baf864c85</Sha>
+      <Sha>42532a7524749ad5d48d1820eaa7d4ab7e77faa6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.21-servicing.25458.3">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.21-servicing.25469.3">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>ea366a7a40bc588c70ef59376040130baf864c85</Sha>
+      <Sha>42532a7524749ad5d48d1820eaa7d4ab7e77faa6</Sha>
       <SourceBuild RepoName="emsdk" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25269.2">