[in_app_purchase] Update json_serializable (flutter#6092)

Author: stuartmorgan-g

packages/in_app_purchase/in_app_purchase_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.2.3+1
+
+* Updates `json_serializable` to fix warnings in generated code.
+
 ## 0.2.3
 
 * Upgrades Google Play Billing Library to 5.0

packages/in_app_purchase/in_app_purchase_android/lib/src/billing_client_wrappers/purchase_wrapper.dart

@@ -106,6 +106,7 @@ class PurchaseWrapper {
 
   /// The product ID of this purchase.
   @Deprecated('Use skus instead')
+  @JsonKey(ignore: true)
   String get sku => _sku ?? (skus.isNotEmpty ? skus.first : '');
   final String? _sku;
 
@@ -209,6 +210,7 @@ class PurchaseHistoryRecordWrapper {
 
   /// The product ID of this purchase.
   @Deprecated('Use skus instead')
+  @JsonKey(ignore: true)
   String get sku => _sku ?? (skus.isNotEmpty ? skus.first : '');
 
   final String? _sku;

packages/in_app_purchase/in_app_purchase_android/lib/src/billing_client_wrappers/purchase_wrapper.g.dart

@@ -2,7 +2,7 @@ name: in_app_purchase_android
 description: An implementation for the Android platform of the Flutter `in_app_purchase` plugin. This uses the Android BillingClient APIs.
 repository: https://github.com/flutter/plugins/tree/main/packages/in_app_purchase/in_app_purchase_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+in_app_purchase%22
-version: 0.2.3
+version: 0.2.3+1
 
 environment:
   sdk: ">=2.14.0 <3.0.0"
@@ -21,12 +21,12 @@ dependencies:
   flutter:
     sdk: flutter
   in_app_purchase_platform_interface: ^1.3.0
-  json_annotation: ^4.3.0
+  json_annotation: ^4.6.0
 
 dev_dependencies:
   build_runner: ^2.0.0
   flutter_test:
     sdk: flutter
-  json_serializable: ^6.0.0
+  json_serializable: ^6.3.1
   mockito: ^5.1.0
   test: ^1.16.0