Fixed version in pubspec.yaml

Author: Daniel Roek

packages/image_picker/image_picker_platform_interface/CHANGELOG.md

@@ -1,6 +1,6 @@
 ## 2.1.0
 
-* Added pickMultiImage call
+* Added pickMultiImage method
 
 ## 2.0.1
 

packages/image_picker/image_picker_platform_interface/pubspec.yaml

@@ -3,7 +3,7 @@ description: A common platform interface for the image_picker plugin.
 homepage: https://github.com/flutter/plugins/tree/master/packages/image_picker/image_picker_platform_interface
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.1.1
+version: 2.1.0
 
 dependencies:
  flutter: