Update git submodules
- Update extensions/ConfirmEdit from branch 'REL1_40' to 1c7c29bfdc98564ee332e486acf219f01458145f
- Localisation updates from https://translatewiki.net.
Change-Id: Id59fee82b90ae008aabc4271939f5e3216ea4e64
- Localisation updates from https://translatewiki.net.