Updated openstack/openstack
Project: openstack/oslo.messaging  a1489a252d7b440c6a8bf4bfd64f054c0d891bd2

Track the attempted method when raising UnsupportedVersion

This helps in circumstances where the only stacktrace visible
is on the target side (e.g. due to cast or fanout operations)
and without the method information is difficult to root cause
what is going on.

Change-Id: I070ecda4d56186fcda8e8bfc49bf723928998393
Closes-bug: #1340277