Merge pull request #62 from nimblehq/chore/bump-version-to-0.4.0

[Chore] Bump version to 0.4.0

Author: nkhanh44

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.3.0+1
+version: 0.4.0+1
 
 environment:
   sdk: '>=3.0.0 <4.0.0'