Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to a2feef2714dbf3a45400b650f4cd17b903a36ca9
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I37342bca23bf811f6d5505f3866ffc2ac4f1f650
    
wikimedia/pywikibot-core,wikimedia/pywikibot-core