[ilyassesalama]

Adds Morocco's two newest public holidays:

• Amazigh New Year (14 January), paid public holiday since 2024 after the royal decision of 3 May 2023. Source: https://www.reuters.com/world/africa/morocco-declares-start-amazigh-year-national-holiday-2023-05-03/
• Unity Day / عيد الوحدة (31 October), paid public holiday since 2026, added to the list of official holidays by two decrees published in Bulletin Officiel no. 7480. Source: https://www.hespress.com/%D8%A7%D9%84%D8%AD%D9%83%D9%88%D9%85%D8%A9-%D8%AA%D8%B5%D8%A7%D8%AF%D9%82-%D8%B9%D9%84%D9%89-%D8%B9%D8%B7%D9%84%D8%A9-%D8%B9%D9%8A%D8%AF-%D8%A7%D9%84%D9%88%D8%AD%D8%AF%D8%A9-1687194.html

Both rules use since <year> so earlier years are unchanged. Names are given in ar, fr and en. MA fixtures regenerated with --writetests --countries MA; npm test passes.

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