switch documentation job to new PTI
This is a mechanically generated patch to switch the documentation
jobs to use the new PTI versions of the jobs as part of the
python3-first goal.
See the python3-first goal document for details:
https://governance.openstack.org/tc/goals/stein/python3-first.html
Change-Id: I1e3651a85e0f4c20bebd54fc5fda62d220f19321
Story: #2002586
Task: #24321
Vieri
5 years ago