feat: update WPT usage

[jlp-craigmorten]

Resolves #1045

Updates the WPT submodule and tests.

jsdom

For the jsdom suite, i've included a (non-exhaustive) set of specs that are relevant to this package in their scope regarding accessible name, description, and role calculation:

• accname
• dpub-aam
• graphics-aria
• html-aam
• wai-aria

The current status of the WPT coverage is:

Passing	Failing	Skipped
177	127	297

Where "Skipped" includes a combination of both relevant and irrelevant tests, but for a practical test runtime it is pragmatic to skip instead of having an expected failure.

I have opted to equate a null return from this package (e.g. from getRole()) to be the equivalent of an empty role "" which eliminates a number of failures (for expected generic or presentational roles). If this normalization is misrepresentative I can remove.

browser

For the Cypress based suite I've made the necessary changes so that the tests run, but have not extended the suite to cover the additional accname (or other spec) tests that have been introduced since the last refresh for this setup.

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Latest commit: eb37052c04a294e47b8f1ac070502ff6c42b8741

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