Add SCM

Author: JoshLove-msft

sdk/ai/Azure.AI.Projects/src/Azure.AI.Projects.csproj

@@ -32,6 +32,7 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Core" />
+    <PackageReference Include="System.ClientModel" />
     <PackageReference Include="Azure.Identity" />
     <PackageReference Include="Azure.Storage.Blobs" />
     <PackageReference Include="Azure.AI.OpenAI" />