Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to ec47fb0dcf3452be68c8404519dd8cb7c399a296
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I7e25a2f18f90eb08c306bfdd0a6a2238e2060f9c
    
wikimedia/pywikibot-core,wikimedia/pywikibot-core