Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to 4dc25259dac50f2daf9a8a6d8a3d8dfd7e5ee79a
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I05ef698446d6bf6bd0dfdad690a2aa7346a27b6c
    
wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core