Set timeout in gate to 10 minutes
Set timeout in gate to 10 minutes

There is no reason for it to be the default 1 hour, as working introspection
ends within 2-3 minutes on the virtual environment.

Change-Id: I9b9b868f7c30e15c0f5131d53958db28d287ca7d

openstack/ironic-inspector,openstack/ironic-inspector