Add support for Cayman Islands and Greenland

[goveo]

What has been done

• Added support for Cayman Islands
• Added support for Greenland

Screenshots (if appropriate):

[vercel[bot]]

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Name	Status	Preview	Comments	Updated (UTC)
react-international-phone-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 20, 2024 6:17pm
react-international-phone-storybook	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 20, 2024 6:17pm

[goveo]

:tada: This PR is included in version 4.2.8 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: