Updated test upgrader_device_test.dart to handle the new model name for iOS and MacOS devices from changes in device_info_plus 11.2.0.

Author: larryaasen

Diff for: test/upgrader_device_test.dart

@@ -139,6 +139,7 @@ Map _iosInfo({required String baseOS}) {
   final info = {
     'name': 'name',
     'model': 'model',
+    'modelName': 'modelName',
     'utsname': iosUtsnameMap,
     'systemName': 'systemName',
     'isPhysicalDevice': false,
@@ -171,6 +172,7 @@ Map _macOSInfo({required String baseOS}) {
     'hostName': 'a',
     'arch': 'a',
     'model': 'a',
+    'modelName': 'a',
     'kernelVersion': 'a',
     'osRelease':
         'Version $baseOS (Build 22D68)', // This is the only value used in the test.