Bump _external/resources/wai-aria-practices from 699895f to 5644793 (#2038)

Bumps [_external/resources/wai-aria-practices](https://github.com/w3c/wai-aria-practices) from `699895f` to `5644793`.
- [Commits](w3c/wai-aria-practices@699895f...5644793)

---
updated-dependencies:
- dependency-name: _external/resources/wai-aria-practices
  dependency-version: 56447937bf8ae2963f8f398ed7a1e4243e2337f1
  dependency-type: direct:production
...

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Author: dependabot[bot]