Update git submodules
- Update extensions/VisualEditor from branch 'REL1_40' to 2e8e3b86595129b492c213ea19675cd2767fe9a3
- Localisation updates from https://translatewiki.net.
Change-Id: Ib25f277140fcb6378195122af476c31f57cb625d
- Localisation updates from https://translatewiki.net.