fix(oauth): sex=null

Makefile

@@ -5,3 +5,6 @@ run-analyse:
 	flutter analyze
 
 run-checks: run-analyse run-tests
+
+build-generated-files:
+	dart run build_runner build --delete-conflicting-outputs

lib/features/auth/models/yandex_profile_model.dart

@@ -14,7 +14,7 @@ abstract class YandexProfileModel with _$YandexProfileModel {
     @JsonKey(name: 'real_name') required String realName,
     @JsonKey(name: 'first_name') required String firstName,
     @JsonKey(name: 'last_name') required String lastName,
-    @JsonKey(name: 'sex') required String sex,
+    @JsonKey(name: 'sex') String? sex,
     @JsonKey(name: 'default_email') required String defaultEmail,
     @JsonKey(name: 'default_phone') required YandexPhoneData defaultPhone,
   }) = _YandexProfileModel;