CFC: Accept "headers attribute refers to cells in the same table element"

Hey folks,

The ACT Task Force surveyed this rule a few weeks back. After some
editorial work, we believe this to be ready for approval by AG. You can
find the latest version of this rule here:
https://act-rules.github.io/rules/a25f45

If you are in support of sharing this rule with AG for approval, please
respond with "+1", if you object, please respond with "-1".

Kind regards,

-- 
*Wilco Fiers*
Axe-core & Axe-linter product owner - WCAG 3 Project Manager - Facilitator
ACT Task Force