Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to 0a8d77fcf38cb4b02b6d4624fb70fce374e6892a
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: Ifa81a53af4a3136d67d79787c75ba1916894c037
    
wikimedia/pywikibot-core,wikimedia/pywikibot-core