Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I18e2e49d13fb1ce5ba38fae1a8e8d2eb1cda5d37
    
PersianWikipedia/pywikibot-core,magul/pywikibot-core,wikimedia/pywikibot-core,magul/pywikibot-core,wikimedia/pywikibot-core