Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to c2bbcc919b819ab06388d8467f116f0f1e3fd7da
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I1d0fc4ca812cb6ec302a08c338825a22f9eedb23
    
wikimedia/pywikibot-core,wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core