www/py-cachecontrol: Update version requirement of *_DEPENDS

from pyproject.toml:
requires = ["flit_core >=3.2,<4"]
dependencies = ["requests >= 2.16.0", "msgpack >= 0.5.2, < 2.0.0"]

Reference: https://github.com/psf/cachecontrol/blob/v0.14.0/pyproject.toml#L2

		https://github.com/psf/cachecontrol/blob/v0.14.0/pyproject.toml#L36

Approved by: portmgr (blanket)
With hat: python