Reduce intl constraint to match flutter_localizations 3.16.0

[kuhnroyal]

Connection with issue(s)

See 839968f#r141272235

The flutter_localizations package from Flutter SDK 3.16.0 forces intl: 0.18.1 - see https://github.com/flutter/flutter/blob/3.16.0/packages/flutter_localizations/pubspec.yaml#L11

Solution description

I reduced the constraint and added the flutter_localizations package as additional dependency to ensure this does not happen again. This should have no impact on consumers of the package as the Flutter SDK is already required.

Screenshots or Videos

To Do

• Check the original issue to confirm it is fully satisfied
• Add solution description to help guide reviewers
• Add unit test to verify new or fixed behaviour
• If apply, add documentation to code properties and package readme

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.01%. Comparing base (1a3c954) to head (827c895).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #448   +/-   ##
========================================
  Coverage    95.01%   95.01%           
========================================
  Files           67       67           
  Lines         1385     1385           
========================================
  Hits          1316     1316           
  Misses          69       69           

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[joanpablo]

Hey @kuhnroyal
Thanks for the PR, but would you mind to remove the dependency to flutter_localizations and just lower the intl version? Thanks in advance

[kuhnroyal]

I added that explicitly to prevent the same problem in the future. This has zero impact on users of the reactive_forms as it is an SDK dependency which does not have to be downloaded and will get tree-shaken if not used.

If you still want me to remove it, let me know.