Update git submodules
- Update extensions/CiteThisPage from branch 'REL1_41' to ce42df0ab39be416ac4a194b8869358311691a9f
- Localisation updates from https://translatewiki.net.
Change-Id: Ie031982564e1ed8b57878c79cc05b2d9e7886375
- Localisation updates from https://translatewiki.net.