Bump axe-core from 4.8.3 to 4.8.4

Bumps [axe-core](https://github.com/dequelabs/axe-core) from 4.8.3 to 4.8.4.
- [Release notes](https://github.com/dequelabs/axe-core/releases)
- [Changelog](https://github.com/dequelabs/axe-core/blob/v4.8.4/CHANGELOG.md)
- [Commits](https://github.com/dequelabs/axe-core/compare/v4.8.3...v4.8.4)

---
updated-dependencies:
- dependency-name: axe-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -5304,9 +5304,9 @@ __metadata:
   linkType: hard
 
 "axe-core@npm:^4.0.0, axe-core@npm:^4.8.2":
-  version: 4.8.3
-  resolution: "axe-core@npm:4.8.3"
-  checksum: f546c74d1f3a7bff81752457fe9e5573693a8ecce11d3c265db501a82105efe0cd29964a491dd98e5979f6f3d85db6776e5e46626c2b09ab579a3729108964fd
+  version: 4.8.4
+  resolution: "axe-core@npm:4.8.4"
+  checksum: 644da2fec17bcf6f834edaab1baa5a75a9a3ee370c323215c73da6d7e45fac11d01470d92d0a3d5f26695e15c1d9b781733dfbe1fe09d505076c58f09ed74e02
   languageName: node
   linkType: hard