Override moment relative timestamp translations - Arabic, Brasil, Mundo

[ghost]

Is your feature request related to a problem? Please describe.
Apply the correct wording for relative timestamp to match what we have currently on PAL.

Describe the solution you'd like
Override moment's default relative time in psammead-locales to have the correct translations.
Services

• Arabic
• Brasil
• Mundo

Example

moment.updateLocale('yo', {
  relativeTime: {
    past: '%s sẹ́yìn',
    s: 'ìṣẹ́jú aayá die',
    m: 'ìṣẹ́jú kan',
    mm: 'ìṣẹ́jú %d',
    h: 'wákàtí kan',
    hh: 'wákàtí %d',
  },
});

More details on the spreadsheet.
Describe alternatives you've considered

Testing notes
[Tester to complete]

Dev insight: Will Cypress tests be required or are unit tests sufficient? Will there be any potential regression? etc

• This feature is expected to need manual testing.

Additional context
Add any other context or screenshots about the feature request here.