Bump @stylistic/eslint-plugin from 5.5.0 to 5.6.1

Bumps [@stylistic/eslint-plugin](https://github.com/eslint-stylistic/eslint-stylistic/tree/HEAD/packages/eslint-plugin) from 5.5.0 to 5.6.1.
- [Release notes](https://github.com/eslint-stylistic/eslint-stylistic/releases)
- [Changelog](https://github.com/eslint-stylistic/eslint-stylistic/blob/main/CHANGELOG.md)
- [Commits](https://github.com/eslint-stylistic/eslint-stylistic/commits/v5.6.1/packages/eslint-plugin)

---
updated-dependencies:
- dependency-name: "@stylistic/eslint-plugin"
  dependency-version: 5.6.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]