devel/py-phmdoctest: Fix RUN_DEPENDS

• Use PY_TOMLI
• Bump PORTREVISION for dependency change

from setup.cfg:

tomli >= 1.0.0 ; python_version < "3.11"

Reference: https://github.com/tmarktaylor/phmdoctest/blob/v1.4.0/setup.cfg#L47
Approved by: portmgr (blanket)
With hat: python