iOS with Voiceover does not `aria-current="page"` when placed on a `li` element

[shabana-ali]

Observed on a breadcrumb: https://github.com/hmrc/accessibility-audits-external/issues/4900

Seems to be saying it is supported but I am experiencing it on iPhone software version 15.2 https://a11ysupport.io/tests/tech__aria__aria-current

[ashfaqhussain357]

Issue fixed - link to tech summary https://github.com/hmrc/accessibility-audits-external/issues/5509