user controlled pytest-cache separation by environment

[RonnyPfannschmidt]

https://github.com/pytest-dev/pytest/blob/f6aa9d661dde036a362c470930d89c9a01d45883/src/_pytest/cacheprovider.py#L480-L481

adds a utterly hackish way to have pytest-cache by tox env we should make it more nuanced and aware of more types of session (nox ,hatch, virtualenvwrapper)