Axe-core needs to include the copyright and licenses of third-party
software.

I also looked at preserving the copyright statements from third-party
libraries where they are embedded. Unfortunately that will require us
addressing the webpack issue due to which we pinned our ESBuild version.
#4305

---------

Co-authored-by: Dan Bjorge <dan.bjorge@deque.com>

##
[4.9.0](v4.8.4...v4.9.0)
(2024-03-25)

### Features

- adding the wcag131 tag to the aria-hidden-body rule
([#4349](#4349))
([dd4c3c3](dd4c3c3)),
closes [#4315](#4315)
- **checks:** deprecate aria-busy check
([#4356](#4356))
([be0b555](be0b555)),
closes [#4347](#4347)
[#4340](#4340)
- **color:** add color channel values and luminosity, saturation, clip
functions ([#4366](#4366))
([9e70199](9e70199)),
closes
[/github.com//pull/4365/files#r1517706612](https://github.com/dequelabs//github.com/dequelabs/axe-core/pull/4365/files/issues/r1517706612)
- **i18n:** add Greek Translations
([#3836](#3836))
([3ea9a48](3ea9a48))
- **i18n:** Add Italian translation
([#4344](#4344))
([de1baa9](de1baa9))
- **i18n:** Add Simplified Chinese translation
([#4379](#4379))
([bda7c8d](bda7c8d))
- **i18n:** Add Taiwanese Mandarin translation
([#4299](#4299))
([c5e11de](c5e11de))

### Bug Fixes

- Add LICENSE-3RD-PARTY.txt file
([#4304](#4304))
([daa0fe6](daa0fe6))
- add Object.values polyfill for node <=6
([#4274](#4274))
([5eb867b](5eb867b))
- **aria-required-children:** avoid confusing aria-busy message in
failures ([#4347](#4347))
([591607d](591607d)),
closes [#fail13](https://github.com/dequelabs/axe-core/issues/fail13)
[#4340](#4340)
- avoid reading element-specific node properties of non-element node
types ([#4317](#4317))
([b853b18](b853b18)),
closes [#4316](#4316)
[#4316](#4316)
- **color-contrast:** handle text that is outside `overflow: hidden`
ancestor ([#4357](#4357))
([bdb7300](bdb7300)),
closes [#4253](#4253)
- **color-contrast:** support color blend modes hue, saturation, color,
luminosity ([#4365](#4365))
([7ae4761](7ae4761))
- **d.ts:** RawNodesResult issues
([#4229](#4229))
([d660518](d660518))
- **d.ts:** RunOptions.reporter can be any string
([#4218](#4218))
([e53f5c5](e53f5c5))
- **i18n:** update Italian translations
([#4377](#4377))
([4d65d4b](4d65d4b))
- **listitem:** clarify roleNotValid message
([#4374](#4374))
([0f8a9af](0f8a9af))
- **scrollable-region-focusable:** missing wcag213 tag
([#4201](#4201))
([0080a72](0080a72))
- **target-size:** always pass 10x targets (avoid perf bottleneck)
([#4376](#4376))
([be327c4](be327c4))
- **target-size:** do not crash for nodes with many overlapping widgets
([#4373](#4373))
([1dbea83](1dbea83)),
closes [#4359](#4359)
[#4359](#4359)
[#4360](#4360)
- **utils/get-selector:** ignore 'xmlns' attribute when generating a
selector ([#4303](#4303))
([938b411](938b411))

This PR was opened by a robot 🤖 🎉