Add project-template for python jobs without constraints
Add project-template for python jobs without constraints

Some projects (like infra) use the same set of jobs as the PTI but don't
follow constraints. Add project-templates for those too.

Change-Id: I03cad569cc539becccc603a07b8de3e30007f2bb

openstack-infra/openstack-zuul-jobs,openstack-infra/openstack-zuul-jobs