Update VE core submodule to 1.31.0-wmf.11 HEAD (56fe63b62)

Authored by Jdforrester-WMF on Thu, Dec 7, 4:24 PM.

Description

Update VE core submodule to 1.31.0-wmf.11 HEAD (56fe63b62)

New changes:
56fe63b62 Don't execute commands twice

Bug: T182270
Change-Id: Ief48048796478cac0ee007b3581449c889fa67ce