Update git submodules
- Update extensions/SpamBlacklist from branch 'REL1_39' to 09fa81d30adb43ad28b79a188998ca574fc0f13a
- Localisation updates from https://translatewiki.net.
Change-Id: I1a07c860fc32f1cbb0d68e9d5164760f8f76ced9
- Localisation updates from https://translatewiki.net.