Update git submodules
- Update BlueSpicePageTemplates from branch 'master' to d9a7199112587d66e34c6b8871a5dfcd373db7f9
- Localisation updates from https://translatewiki.net.
Change-Id: I434ad134f76b7d5e7a2455b9d72a8a4e9ae9ac4a
- Localisation updates from https://translatewiki.net.