bump MTG version (#50952)

Author: live1206

eng/Packages.Data.props

@@ -450,7 +450,7 @@
 
   <PropertyGroup>
     <TestProxyVersion>1.0.0-dev.20250501.1</TestProxyVersion>
-    <UnbrandedGeneratorVersion>1.0.0-alpha.20250625.1</UnbrandedGeneratorVersion>
+    <UnbrandedGeneratorVersion>1.0.0-alpha.20250627.2</UnbrandedGeneratorVersion>
     <AzureGeneratorVersion>1.0.0-alpha.20250625.3</AzureGeneratorVersion>
   </PropertyGroup>
 </Project>

eng/packages/http-client-csharp/generator/Azure.Generator/test/common/InputFactory.cs

@@ -542,11 +542,11 @@ public static InputType Array(InputType elementType)
             return new InputArrayType("list", "list", elementType);
         }
 
-        public static InputPagingServiceMetadata NextLinkPagingMetadata(string itemPropertyName, string nextLinkName, InputResponseLocation nextLinkLocation)
+        public static InputPagingServiceMetadata NextLinkPagingMetadata(string itemPropertyName, string nextLinkName, InputResponseLocation nextLinkLocation, IReadOnlyList<InputParameter>? reinjectedParameters = null)
         {
             return PagingMetadata(
                 [itemPropertyName],
-                new InputNextLink(null, [nextLinkName], nextLinkLocation),
+                new InputNextLink(null, [nextLinkName], nextLinkLocation, reinjectedParameters),
                 null);
         }
     }