Add emscripten manifest

Author: lewing

eng/Versions.props

@@ -169,6 +169,8 @@
     <XamarinMacOSWorkloadManifestVersion>11.3.100-ci.main.723</XamarinMacOSWorkloadManifestVersion>
     <XamarinTvOSWorkloadManifestVersion>14.5.100-ci.main.723</XamarinTvOSWorkloadManifestVersion>
     <MonoWorkloadManifestVersion>$(MicrosoftNETCoreAppRefPackageVersion)</MonoWorkloadManifestVersion>
+    <MicrosoftNETWorkloadEmscriptenManifest60100>6.0.0-preview.7.21328.1</MicrosoftNETWorkloadEmscriptenManifest60100>
+    <EmscriptenWorkloadManifestVersion>$(MicrosoftNETWorkloadEmscriptenManifest60100)</EmscriptenWorkloadManifestVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- pinned dependency. This package is not being produced outside of the 2.0 branch of corefx and should not change. -->

src/redist/targets/BundledManifests.targets

@@ -8,6 +8,7 @@
     <BundledManifests Include="Microsoft.NET.Sdk.Maui.Manifest-6.0.100" Version="$(MauiWorkloadManifestVersion)" WorkloadManifestId="Microsoft.NET.Sdk.Maui" />
     <BundledManifests Include="Microsoft.NET.Sdk.tvOS.Manifest-6.0.100" Version="$(XamarinTvOSWorkloadManifestVersion)" WorkloadManifestId="Microsoft.NET.Sdk.tvOS" />
     <BundledManifests Include="Microsoft.NET.Workload.Mono.ToolChain.Manifest-6.0.100" Version="$(MonoWorkloadManifestVersion)" WorkloadManifestId="Microsoft.NET.Workload.Mono.ToolChain" />
+    <BundledManifests Include="Microsoft.NET.Workload.Emscripten.Manifest-6.0.100" Version="$(EmscriptenWorkloadManifestVersion)" WorkloadManifestId="Microsoft.NET.Workload.Emscripten" />
   </ItemGroup>
 
   <!-- Restore workload manifests via PackageReference -->