devel/py-rq: Fix a62983b1803f4c36f3821e07108885f08ab4d321

• Fix version requirement of RUN_DEPENDS
• Fix CONFLICTS_INSTALL

from pyproject.toml:
dependencies = [

"click>=5",
"redis>=3.5",

]

Approved by: portmgr (blanket)
Reference: https://github.com/rq/rq/blob/v2.0/pyproject.toml#L48-L51