feat(axe-core 4.8): Axe core version upgrade for Web

[SaanicaG]

Details

This PR updates axe-core to its latest version, 4.8.4, from 4.7.2. It also bumps the accessibility-insights-report package version. As part of the axe-core update:

• The deprecate & disable duplicate-id / duplicate-id-active rule has been deprecated (https://github.com/dequelabs/axe-core/pull/4071).

• moved duplicate-id-aria to needs review. (https://github.com/dequelabs/axe-core/pull/4075)

  

• checks: enable help-same-as-label, but remove from rules (https://github.com/dequelabs/axe-core/pull/4096)

• Various improvements were made to the types. Potentially the most impactful of which is that the target and ancestry property now return as UnlabelledFrameSelector instead of as string[],

• Major version upgrade 4.8.0 details https://github.com/dequelabs/axe-core/releases/tag/v4.8.0

Motivation

This change is part of https://dev.azure.com/mseng/1ES/_workitems/edit/2157659/

Context

Pull request checklist

• [ ] Addresses an existing issue: #0000
• [ ] Ran yarn fastpass
• [x] Added/updated relevant unit test(s) (and ran yarn test)
• [x] Verified code coverage for the changes made. Check coverage report at: <rootDir>/test-results/unit/coverage
• [x] PR title AND final merge commit title both start with a semantic tag (fix:, chore:, feat(feature-name):, refactor:). See CONTRIBUTING.md.
• [ ] (UI changes only) Added screenshots/GIFs to description above
• [ ] (UI changes only) Verified usability with NVDA/JAWS