Bump generator dependency

Author: JoshLove-msft

eng/Packages.Data.props

@@ -206,8 +206,8 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(IsGeneratorLibrary)' == 'true'">
-    <PackageReference Update="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20250501.3" />
-    <PackageReference Update="Microsoft.TypeSpec.Generator.Input" Version="1.0.0-alpha.20250501.3" />
+    <PackageReference Update="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20250506.3" />
+    <PackageReference Update="Microsoft.TypeSpec.Generator.Input" Version="1.0.0-alpha.20250506.3" />
     <PackageReference Update="Azure.Generator" Version="1.0.0-alpha.20250429.2" />
     <PackageReference Update="System.ClientModel" Version="1.4.0" />
   </ItemGroup>

eng/packages/http-client-csharp/package.json

@@ -38,7 +38,7 @@
     "dist/generator/**"
   ],
   "dependencies": {
-    "@typespec/http-client-csharp": "1.0.0-alpha.20250501.3"
+    "@typespec/http-client-csharp": "1.0.0-alpha.20250506.3"
   },
   "devDependencies": {
     "@azure-tools/azure-http-specs": "0.1.0-alpha.15",