Update git submodules
- Update extensions/Nuke from branch 'REL1_40' to 6752b295f85152ad68770d48369cf92db0101302
- Localisation updates from https://translatewiki.net.
Change-Id: I50e01a9160024c93de41fe97902f9ce05a8972a8
- Localisation updates from https://translatewiki.net.