Update AutoRest C# version (Azure#34033)

Co-authored-by: archerzz <archerzz@gmail.com>

Author: azure-sdk

eng/Packages.Data.props

@@ -160,7 +160,7 @@
     All should have PrivateAssets="All" set so they don't become package dependencies
   -->
   <ItemGroup>
-    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20230207.1" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20230208.1" PrivateAssets="All" />
     <PackageReference Update="Azure.ClientSdk.Analyzers" Version="0.1.1-dev.20230131.1" PrivateAssets="All" />
     <PackageReference Update="coverlet.collector" Version="1.3.0" PrivateAssets="All" />
     <PackageReference Update="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.3.1" PrivateAssets="All" />

eng/emitter-package.json

@@ -1,6 +1,6 @@
 {
     "main": "dist/src/index.js",
     "dependencies": {
-      "@azure-tools/cadl-csharp": "0.1.11-beta.20230207.1"
+      "@azure-tools/cadl-csharp": "0.1.11-beta.20230208.1"
     }
 }

sdk/openai/Azure.AI.OpenAI/api/Azure.AI.OpenAI.netstandard2.0.cs

@@ -15,7 +15,6 @@ internal Completions() { }
         public int? Created { get { throw null; } }
         public string Id { get { throw null; } }
         public string Model { get { throw null; } }
-        public string Object { get { throw null; } }
         public Azure.AI.OpenAI.CompletionsUsage Usage { get { throw null; } }
     }
     public partial class CompletionsLogProbability
@@ -58,14 +57,12 @@ public partial class EmbeddingItem
         internal EmbeddingItem() { }
         public System.Collections.Generic.IReadOnlyList<float> Embedding { get { throw null; } }
         public int Index { get { throw null; } }
-        public string Object { get { throw null; } }
     }
     public partial class Embeddings
     {
         internal Embeddings() { }
         public System.Collections.Generic.IReadOnlyList<Azure.AI.OpenAI.EmbeddingItem> Data { get { throw null; } }
         public string Model { get { throw null; } }
-        public string Object { get { throw null; } }
         public Azure.AI.OpenAI.EmbeddingsUsage Usage { get { throw null; } }
     }
     public partial class EmbeddingsOptions