Merge pull request #10 from hoc081098/renovate/build_runner-2.x

Update dependency build_runner to v2

Author: hoc081098

pubspec.yaml

@@ -30,7 +30,7 @@ dev_dependencies:
   pedantic: ^1.9.0
   flutter_test:
     sdk: flutter
-  build_runner: ^1.10.2
+  build_runner: ^2.0.0
   built_value_generator: ^7.1.0
 
 flutter: