Update git submodules
- Update extensions/WikiEditor from branch 'REL1_42' to ccacce5432de2f4b854f9b9cbbeda44f3d79b441
- Localisation updates from https://translatewiki.net.
Change-Id: I9f381083dd103358d0155bb83639bf002344b587
- Localisation updates from https://translatewiki.net.