Updated mediawiki/extensions
Project: mediawiki/extensions/Scribunto  3ced70adb8a394458f984dd2894b3a5b9d5c2a77

Provide access to Language::getFallbacksFor()

The other fallback-related functions in PHP all seem to be based on
this.

Bug: 48328
Change-Id: I4b54ab0c1e1535529f47443f6d0e72a59d3d120c