Add missing workload versioning (#103284)

Author: lewing

src/mono/nuget/Microsoft.NET.Workload.Mono.Toolchain.Current.Manifest/WorkloadManifest.json.in

@@ -38,7 +38,7 @@
     "mobile-librarybuilder": {
       "description": "Mobile SDK for building a self-contained .NET native library in ${NetVersion}.0",
       "packs": [
-        "Microsoft.NET.Runtime.LibraryBuilder.Sdk"
+        "Microsoft.NET.Runtime.LibraryBuilder.Sdk.${NetVersion}"
       ],
       "extends": [ "microsoft-net-runtime-android-aot", "microsoft-net-runtime-ios", "microsoft-net-runtime-maccatalyst", "microsoft-net-runtime-tvos" ],
       "platforms": [ "win-x64", "win-arm64", "osx-x64", "osx-arm64" ]

src/mono/nuget/Microsoft.NET.Workload.Mono.Toolchain.Current.Manifest/WorkloadManifest.targets.in

@@ -92,8 +92,8 @@
     <Import Project="Sdk.targets" Sdk="Microsoft.NET.Runtime.MonoTargets.Sdk.${NetVersion}" />
   </ImportGroup>
   <ImportGroup Condition="'$(_IsAndroidLibraryMode)' == 'true' or '$(_IsAppleMobileLibraryMode)' == 'true'">
-    <Import Project="Sdk.props" Sdk="Microsoft.NET.Runtime.LibraryBuilder.Sdk" />
-    <Import Project="Sdk.targets" Sdk="Microsoft.NET.Runtime.LibraryBuilder.Sdk" />
+    <Import Project="Sdk.props" Sdk="Microsoft.NET.Runtime.LibraryBuilder.Sdk.${NetVersion}" />
+    <Import Project="Sdk.targets" Sdk="Microsoft.NET.Runtime.LibraryBuilder.Sdk.${NetVersion}" />
   </ImportGroup>
   <ImportGroup Condition="'$(TargetsCurrent)' == 'true' and '$(RunAOTCompilation)' == 'true' and ('$(TargetPlatformIdentifier)' == 'android' or '$(_IsAndroidLibraryMode)' == 'true')">
     <Import Project="Sdk.props" Sdk="Microsoft.NETCore.App.Runtime.AOT.Cross.${NetVersion}.android-x86" />