[wasm] Add a dependency on dotnet/installer to get the latest (#90904)

* [wasm] Add a dependency on dotnet/installer to get the latest

.. version, and use that for testing the workloads.

* [wasm] add note about upgrading node in perf pipeline

Author: radical

eng/Version.Details.xml

@@ -398,5 +398,9 @@
       <Uri>https://github.com/NuGet/NuGet.Client</Uri>
       <Sha>8fef55f5a55a3b4f2c96cd1a9b5ddc51d4b927f8</Sha>
     </Dependency>
+    <Dependency Name="Microsoft.Dotnet.Sdk.Internal" Version="9.0.100-alpha.1.23421.9">
+      <Uri>https://github.com/dotnet/installer</Uri>
+      <Sha>711fd8e907b5e5af8c7d56fc87d7e9e8366abb1a</Sha>
+    </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/Versions.props

@@ -204,8 +204,6 @@
     <GrpcCoreVersion>2.46.3</GrpcCoreVersion>
     <GrpcDotnetClientVersion>2.45.0</GrpcDotnetClientVersion>
     <GrpcToolsVersion>2.45.0</GrpcToolsVersion>
-    <!-- Uncomment to set a fixed version, else the latest is used -->
-    <!--<SdkVersionForWorkloadTesting>8.0.100-rc.1.23415.5</SdkVersionForWorkloadTesting>-->
     <CompilerPlatformTestingVersion>1.1.2-beta1.23323.1</CompilerPlatformTestingVersion>
     <!-- Docs -->
     <MicrosoftPrivateIntellisenseVersion>7.0.0-preview-20221010.1</MicrosoftPrivateIntellisenseVersion>
@@ -256,5 +254,8 @@
     <!-- BrowserDebugProxy libs -->
     <MicrosoftExtensionsLoggingVersion>3.1.7</MicrosoftExtensionsLoggingVersion>
     <MicrosoftSymbolStoreVersion>1.0.406601</MicrosoftSymbolStoreVersion>
+    <!-- installer version, for testing workloads -->
+    <MicrosoftDotnetSdkInternalVersion>9.0.100-alpha.1.23421.9</MicrosoftDotnetSdkInternalVersion>
+    <SdkVersionForWorkloadTesting>$(MicrosoftDotnetSdkInternalVersion)</SdkVersionForWorkloadTesting>
   </PropertyGroup>
 </Project>

src/mono/wasm/README.md

@@ -350,3 +350,12 @@ npm update --lockfile-version=1
 | Multi-thread      | linux: build only          | none                                 |
 
 * `high resource aot` runs a few specific library tests with AOT, that require more memory to AOT.
+
+
+# Perf pipeline
+
+TBD
+
+## Updates needed
+
+- when the base OS is upgraded, check if the version of node installed in the `eng/pipelines/coreclr/templates/run-performance-job.yml` needs an upgrade too.