Update git submodules
- Update extensions/AbuseFilter from branch 'REL1_40' to 3cb879156c03f8fd8fc1c500ba04e0f887d14c6d
- Localisation updates from https://translatewiki.net.
Change-Id: I24db15194c0e477209ce0518448d897686f0800a
- Localisation updates from https://translatewiki.net.