Update git submodules
Update git submodules

* Update scripts/i18n from branch 'master'
  to 02fc8ca307d2c35794f56174502bb6afcd313f81
  - Localisation updates from https://translatewiki.net.
    
    Change-Id: I2890cc9714815bf486f06307ab74f7f4a2f2f3ec
    
wikimedia/pywikibot-core,wikimedia/pywikibot-core