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:
Story:
- openstack-python35-jobs
- lib-forward-testing
- openstack-pypy-jobs-nonvoting
- - publish-openstack-sphinx-docs
+ - publish-openstack-docs-pti
- periodic-stable-jobs
post:
jobs:
