update version 2.2.0 (#180) (#181)

Co-authored-by: Sanketh B K <[email protected]>

pubspec.yaml

@@ -17,7 +17,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 2.1.9+15
+version: 2.2.0+16
 
 environment:
   sdk: ">=2.17.0 <3.0.0"