Update VE core submodule to master (e94169400)

Authored by Jdforrester-WMF on Thu, Feb 16, 8:28 PM.

Description

Update VE core submodule to master (e94169400)

New changes:
f27169f68 Localisation updates from https://translatewiki.net.
edd78cf50 Increase margin on DiffElement
d723ce56a DiffElement: Use important background colours to force override
b71ee15b5 demo: Use windowAction to open diff dialog
de88ca28b Move standalone diff dialog into separate module
d18bb1379 Don't allow slug buttons to take focus on click

Bug: T158295
Change-Id: Ic67bed00c100acf9a24cc0f5b984a64c14357fa4