Updated mediawiki/extensions
Project: mediawiki/extensions/OpenStackManager  051f816803346e1e5f6e61041f400d77dde85c1f

Add $wgOpenStackManagerReadOnlyRegions.

This will allow us to disable instance creation in pmtpa
when the migration begins.

Change-Id: If9bd49ad1bccba0998eff2c5f0516596e7468736