Update codecov/codecov-action action to v2 (#4)

* Update codecov/codecov-action action to v2

* Update flutter.yml

* up

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Petrus Nguyễn Thái Học <hoc081098@gmail.com>

Author: 3 people

.github/workflows/flutter.yml

@@ -32,4 +32,4 @@ jobs:
       - name: Run tests
         run: flutter test --coverage --coverage-path=lcov.info
 
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v2.1.0

AUTHORS

@@ -0,0 +1 @@
+Petrus Nguyễn Thái Học <hoc081098@gmail.com>

pubspec.yaml

@@ -1,7 +1,6 @@
 name: flutter_disposebag
 description: Automatically disposes StreamSubscription and closes Sink when disposing State<T>.
 version: 1.1.0
-author: Petrus Nguyen Thai Hoc <hoc081098@gmail.com>
 homepage: https://github.com/Flutter-Dart-Open-Source/flutter_disposebag.git
 repository: https://github.com/Flutter-Dart-Open-Source/flutter_disposebag.git
 issue_tracker: https://github.com/Flutter-Dart-Open-Source/flutter_disposebag/issues