GitHub Sync (#711)

* Minor pubspec updates:
- Add a version to logging dependency
- Remove deprecated authors field

Resolves warnings when publishing

PiperOrigin-RevId: 407228216

* Update charts_flutter for publishing
- Bump version
- Restore the pub-based charts_common dependency
- Address some publish warnings
- Add a minimum Flutter version of 2.5 (current stable)

Also fixes the example pubspec to indicate that it has been opted into NNBD

PiperOrigin-RevId: 407328863

Co-authored-by: Googler <noreply@google.com>

charts_common/pubspec.yaml

@@ -1,7 +1,6 @@
 name: charts_common
 version: 0.12.0
 description: A common library for charting packages.
-author: Charts Team <charts_flutter@google.com>
 homepage: https://github.com/google/charts
 
 environment:
@@ -10,7 +9,7 @@ environment:
 dependencies:
   collection: ^1.14.5
   intl: ">=0.15.2 < 0.18.0"
-  logging: any
+  logging: ^1.0.2
   meta: ^1.1.1
   vector_math: ^2.0.8
 

charts_flutter/example/pubspec.yaml

@@ -1,7 +1,9 @@
 name: example
 description: Charts-Flutter Demo
 environment:
-  sdk: '>=1.23.0 <3.0.0'
+  sdk: '>=2.12.0 <3.0.0'
+  flutter: '>=2.5.0'
+
 dependencies:
   charts_flutter:
     path: ../

charts_flutter/pubspec.yaml

@@ -1,26 +1,26 @@
 name: charts_flutter
-version: 0.11.0
+version: 0.12.0
 description: Material Design charting library for flutter.
-author: Charts Team <charts_flutter@google.com>
 homepage: https://github.com/google/charts
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
+  flutter: '>=2.5.0'
 
 dependencies:
   # Pointing this to a local path allows for pointing to the latest code
   # in Github for open source development.
   #
   # The pub version of charts_flutter will point to the pub version of charts_common.
   # The latest pub version is commented out and shown below as an example.
-  # charts_common: 0.12.0
-  charts_common:
-    path: ../charts_common/
+  charts_common: ^0.12.0
+  # charts_common:
+  #   path: ../charts_common/
   collection: ^1.14.5
   flutter:
     sdk: flutter
   intl: ">=0.15.2 < 0.18.0"
-  logging: any
+  logging: ^1.0.2
   meta: ^1.1.1