Update kiwi version to prevent pub.dev score issues.

Update kiwi_generator to 4.2.1

Update kiwi_generator to 4.2.0

Merge pull request #108 from gbtb16/version/v5-0-0

version(5.0.0): updated kiwi version.

Fixed 4.0.1 issue

Merge pull request #74 from vanlooverenkoen/feature/upgrade-4.0.0

Fixed the analyzer version

Merge pull request #74 from vanlooverenkoen/feature/upgrade-4.0.0

Fixed the analyzer version

Fixed 4.0.1 issue

Merge pull request #74 from vanlooverenkoen/feature/upgrade-4.0.0

Fixed the analyzer version

Version bump