Call for review: aria-required-context: Replace the assumption

Hey folks,

This pull request clears up the assumption of the ARIA required context
rule. It is now much clearer that basically any failure of this rule is a
failure of SC 1.3.1.

- https://github.com/act-rules/act-rules.github.io/pull/1569/

If you have any comments, please leave a review. This call for review ends
on June 29th.

Kind regards,

-- 
*Wilco Fiers*
Axe-core product owner - Facilitator ACT Task Force - Co-chair ACT-Rules