Updated openstack/openstack
Project: openstack/requirements  7e1f28d9b1d8175b93bd0fe2d22b72bff61756f3

Add bash8 to global-requirements

Now that bash8 is available on PyPI, we can start using it on OpenStack
projects. Looking to start using bash8 in Keystone bash scripts. Note
that bash8 uses the Apache Software License 2.0.

Change-Id: Ica767630f68f60dc36dba8fd5bf0bce74342b2f2