economist.com rule does not support "reject all" action

[Trikolon]

The existing rule only supports "Accept all" see

cookie-banner-rules-list/cookie-banner-rules-list.json

Line 4372 in 6b65308

"economist.com",

Since the banner has a "reject all" option we should add selectors for it.

We need to check if we can move it to a different sourcepoint rule that supports opt-out.