[WIP] [DO NOT MERGE] v4.7.2 diff

[danielweck]

THIS PR IS FOR TRACKING / CODE DIFF PURPOSES ONLY, DO NOT MERGE.

This PR supersedes #10

NPM package publish:
https://www.npmjs.com/package/@daisy/axe-core-for-ace
https://www.npmjs.com/package/@daisy/axe-core-for-ace/v/4.7.2-canary.1

Tracking of code changes since 4.7.2:
dequelabs/axe-core@v4.7.2...master
dequelabs/axe-core@v4.7.2...develop

Axe 4.7.2 official release: https://github.com/dequelabs/axe-core/tree/v4.7.2
...and changelog: https://github.com/dequelabs/axe-core/blob/v4.7.2/CHANGELOG.md

Ace "legacy" patches:

https://github.com/daisy/ace/blob/cf896185ea675b041c64624639b59a5c9179eeb2/packages/ace-core/src/scripts/axe-patch-aria-roles.js#L3-L15

https://github.com/daisy/ace/blob/cf896185ea675b041c64624639b59a5c9179eeb2/packages/ace-core/src/scripts/axe-patch-is-aria-role-allowed.js#L74-L103

https://github.com/daisy/ace/blob/cf896185ea675b041c64624639b59a5c9179eeb2/packages/ace-core/src/scripts/axe-patch-listitem.js#L97-L134

https://github.com/daisy/ace/blob/cf896185ea675b041c64624639b59a5c9179eeb2/packages/ace-core/src/scripts/axe-patch-only-list-items.js#L215-L272

https://github.com/daisy/ace/blob/2eb8d7af5ba3b1e939857b94e39a5b8146ededfd/packages/ace-core/src/scripts/ace-axe.js#L220-L229

https://github.com/daisy/ace/blob/2eb8d7af5ba3b1e939857b94e39a5b8146ededfd/packages/ace-core/src/scripts/ace-axe.js#L93-L176

https://github.com/daisy/ace/blob/2eb8d7af5ba3b1e939857b94e39a5b8146ededfd/packages/ace-core/src/scripts/ace-axe.js#L179-L194

https://github.com/daisy/ace/blob/2eb8d7af5ba3b1e939857b94e39a5b8146ededfd/packages/ace-core/src/scripts/ace-axe.js#L195-L208

https://github.com/daisy/ace/blob/2eb8d7af5ba3b1e939857b94e39a5b8146ededfd/packages/ace-core/src/scripts/ace-axe.js#L209-L215

Useful references:

Ace:

https://github.com/daisy/ace/blob/ace-next/packages/ace-core/src/scripts/ace-axe.js#L94

https://github.com/daisy/ace/blob/ace-next/tests/data/axerule-dpubroles/EPUB/content_001.xhtml#L13-L17

daisy/ace#274 (comment)

daisy/ace#239

daisy/ace#274

W3C:

https://lists.w3.org/Archives/Public/public-publ-wg/2020Sep/0023.html

https://lists.w3.org/Archives/Public/public-epub-wg/2020Sep/0007.html

w3c/dpub-aria#22

w3c/dpub-aria#15

w3c/epub-specs#1316

w3c/html-aria#99

w3c/aria#748

w3c/epubcheck#1018

https://www.w3.org/TR/dpub-aria-1.0/

https://w3c.github.io/dpub-aria/

https://www.w3.org/TR/html-aria/

https://idpf.github.io/epub-guides/epub-aria-authoring/

Axe:

dequelabs#2759

dequelabs#1677 (comment)

Daisy-Axe:

https://github.com/daisy/axe-core/blob/v4.7.2_DAISY/test/integration/rules/aria-allowed-role/aria-allowed-role.html#L7-L10

https://github.com/daisy/axe-core/blob/v4.7.2_DAISY/lib/commons/aria/lookup-table.js#L592-L608

https://github.com/daisy/axe-core/blob/v4.7.2_DAISY/lib/checks/aria/aria-required-children-evaluate.js#L12