Bump eslint-plugin-unicorn from 25.0.1 to 28.0.2 (#289)

Bumps [eslint-plugin-unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn) from 25.0.1 to 28.0.2.
- [Release notes](https://github.com/sindresorhus/eslint-plugin-unicorn/releases)
- [Commits](sindresorhus/eslint-plugin-unicorn@v25.0.1...v28.0.2)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Thomas Lindner <[email protected]>

Author: dependabot[bot]