Update global-requirements to 1.0.0
Update global-requirements to 1.0.0

I know we have done once the updated just yesterday, but yesterday
openstack/requirements have the first release[1], I think we can be
in accordance with the requirements of release update to update
our global-requirements.

[1]:https://review.openstack.org/#/c/396425/
Change-Id: I0d65d0ebe9caa79665106c6be08528281f43f57c

openstack/rpm-packaging,openstack/rpm-packaging