update pubspec version

Author: kyeshmz

pubspec.yaml

@@ -1,7 +1,7 @@
 name: phone_number
 description: Flutter plugin for parsing, formatting and validating international
   phone numbers.
-version: 2.0.0
+version: 2.0.1
 homepage: https://github.com/flutter-form-builder-ecosystem
 repository: https://github.com/flutter-form-builder-ecosystem/phone_number
 issue_tracker: https://github.com/flutter-form-builder-ecosystem/phone_number/issues