fix(specs): results in getObjects is required (generated)

algolia/api-clients-automation#4024

Co-authored-by: algolia-bot <accounts+algolia-api-client-bot@algolia.com>
Co-authored-by: Clément Vannicatte <vannicattec@gmail.com>

Author: algolia-bot

packages/client_search/lib/src/model/get_objects_response.dart

@@ -9,12 +9,12 @@ part 'get_objects_response.g.dart';
 final class GetObjectsResponse {
   /// Returns a new [GetObjectsResponse] instance.
   const GetObjectsResponse({
-    this.results,
+    required this.results,
   });
 
   /// Retrieved records.
   @JsonKey(name: r'results')
-  final List<Object>? results;
+  final List<Object> results;
 
   @override
   bool operator ==(Object other) =>