feat: add localizations for Hebrew

[emmanuel-ferdman]

PR Summary

PR adds support to Hebrew (he).

[cedvdb]

Hey, here is what's needed:

• add entry in the changelog
• add Hebrew here first: https://github.com/cedvdb/flutter_country_selector

[emmanuel-ferdman]

@cedvdb Added support to Hebrew in flutter_country_selector and updated the changelog file.