Update git submodules
- Update extensions/AbuseFilter from branch 'REL1_39' to f989d1a9a0e4cabd2bdf8e2ac073aa3d83754f50
- Localisation updates from https://translatewiki.net.
Change-Id: Ie1f23bd15a38b7da71fa2b8fca91358bd335886d
- Localisation updates from https://translatewiki.net.