Update git submodules
- Update extensions/Linter from branch 'REL1_41' to a8c351311e10432dc47781bacd45b14aa3c90eb1
- Localisation updates from https://translatewiki.net.
Change-Id: I78f2cc906e20b788b97da804fbd53af4c32a4854
- Localisation updates from https://translatewiki.net.