[PATCH] localedata: Update ar locales abbreviations [BZ #32349]

[Ahmed Najmawi]

* Florian Weimer

> What about the day headings in calendars? This web site
> https://www.moph.gov.qa/arabic/mediacenter/Events/Pages/default.aspx
>
> seems to use abbreviations there.

Are you sure? The link you provided uses full month names in Arabic, but the English version of the same page appears to use abbreviations.
https://www.moph.gov.qa/english/mediacenter/Events/Pages/default.aspx