build(deps-dev): bump eslint-plugin-lit-a11y from 2.2.2 to 2.4.1

Bumps [eslint-plugin-lit-a11y](https://github.com/open-wc/open-wc/tree/HEAD/packages/eslint-plugin-lit-a11y) from 2.2.2 to 2.4.1.
- [Release notes](https://github.com/open-wc/open-wc/releases)
- [Changelog](https://github.com/open-wc/open-wc/blob/master/packages/eslint-plugin-lit-a11y/CHANGELOG.md)
- [Commits](https://github.com/open-wc/open-wc/commits/[email protected]/packages/eslint-plugin-lit-a11y)

---
updated-dependencies:
- dependency-name: eslint-plugin-lit-a11y
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]