Update git submodules
- Update extensions/Linter from branch 'REL1_43' to 871c0fd2b096b9490a01ff4e9df5c09302c975b6
- Localisation updates from https://translatewiki.net.
Change-Id: I0f84e1de598dced98c61b00788aad497678aa379
- Localisation updates from https://translatewiki.net.