Add updated python-pexpect to RDO Deps repo
Add updated python-pexpect to RDO Deps repo

Currently, pexpect-2.3-11.el7 is included in CentOS Base. According
to the info in [1], version 4.5 is required for ansible-runner which
is needed in RDO.

This patch is providing python-pexpect-4.5.0 which overrides the version
ini base. Additionally, it's bumping ptyprocess as it's a requirement
for pexpect and we are below minimal version currently.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1581238

Change-Id: I653ca8163cf47328d3d7fcc9b73d13cdaabcee09

redhat-openstack/rdoinfo,javierpena/rdoinfo