npm: bump eslint-plugin-unicorn from 55.0.0 to 56.0.0

Bumps [eslint-plugin-unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn) from 55.0.0 to 56.0.0.
- [Release notes](https://github.com/sindresorhus/eslint-plugin-unicorn/releases)
- [Commits](sindresorhus/eslint-plugin-unicorn@v55.0.0...v56.0.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-unicorn
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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