Update git submodules
- Update extensions/TemplateData from branch 'REL1_39' to f6f7036150c73b901226b2d109ee5b0d68b56aae
- Localisation updates from https://translatewiki.net.
Change-Id: Ifaf26df21da305423034199d9dcd73f55e7265b2
- Localisation updates from https://translatewiki.net.