Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to 108d949e5833766a34360709d992645943e2432f
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I3af7b42d7b913deb1eecadf4914d0bc05eb9b9c1
    
wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core