Update git submodules
- Update extensions/ConfirmEdit from branch 'REL1_40' to 2a2bb2a98c728e17999decdd66fdc58cb6d2aef5
- Localisation updates from https://translatewiki.net.
Change-Id: Ibaa5b47930a98f3ff2f69be7522d2d73c1d7d383
- Localisation updates from https://translatewiki.net.