build(deps-dev): bump eslint-plugin-testing-library from 6.2.2 to 6.3.0

Bumps [eslint-plugin-testing-library](https://github.com/testing-library/eslint-plugin-testing-library) from 6.2.2 to 6.3.0.
- [Release notes](https://github.com/testing-library/eslint-plugin-testing-library/releases)
- [Changelog](https://github.com/testing-library/eslint-plugin-testing-library/blob/main/.releaserc.json)
- [Commits](testing-library/eslint-plugin-testing-library@v6.2.2...v6.3.0)

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

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