Bump the eslint group across 1 directory with 4 updates

Bumps the eslint group with 4 updates in the / directory: [@stylistic/eslint-plugin-js](https://github.com/eslint-stylistic/eslint-stylistic/tree/HEAD/packages/eslint-plugin-js), [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser), [eslint](https://github.com/eslint/eslint) and [eslint-plugin-unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn).


Updates `@stylistic/eslint-plugin-js` from 2.7.2 to 2.9.0
- [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/v2.9.0/packages/eslint-plugin-js)

Updates `@typescript-eslint/parser` from 8.3.0 to 8.8.1
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/parser/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.8.1/packages/parser)

Updates `eslint` from 9.9.1 to 9.12.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v9.9.1...v9.12.0)

Updates `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: "@stylistic/eslint-plugin-js"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: eslint
- dependency-name: "@typescript-eslint/parser"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: eslint
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: eslint
- dependency-name: eslint-plugin-unicorn
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: eslint
...

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