Update PCS language variants mapping from siteinfo
Update PCS language variants mapping from siteinfo

Bug: T265687
Change-Id: Ifd0a75b83a754e2574f26d0077da2c47d9d5f1ae

wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps