Consider storing the end date for roles ending in the future

[AA-Turner]

Currently we don't capture that the role has been set to end. However, this isn't a given (as the role is still open) and the end date could change.

https://github.com/the-scouts/compass-interface-core/blob/81e09f5b73855894148f5ec3efb99e36e2a3fc49/compass/core/_scrapers/member_profile.py#L603-L607