used git repo for json_annotation

Author: vkorencik

json_serializable/pubspec.yaml

@@ -24,11 +24,10 @@ dependencies:
   # Use a tight version constraint to ensure that a constraint on
   # `json_annotation` properly constrains all features it provides.
   json_annotation:
-    #    git:
-    #      url: https://github.com/TypeSoft-Ltd/json_serializable.dart.git
-    #      ref: master
-    #      path: json_annotation
-    path: ../json_annotation
+    git:
+      url: https://github.com/TypeSoft-Ltd/json_serializable.dart.git
+      ref: master
+      path: json_annotation
   meta: ^1.11.0
   path: ^1.9.0
   pub_semver: ^2.1.4
@@ -51,4 +50,7 @@ dev_dependencies:
 
 dependency_overrides:
   json_annotation:
-    path: ../json_annotation
+    git:
+      url: https://github.com/TypeSoft-Ltd/json_serializable.dart.git
+      ref: master
+      path: json_annotation