⬆️ Bump acorn from 4.0.13 to 5.7.4

Bumps [acorn](https://github.com/acornjs/acorn) from 4.0.13 to 5.7.4.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/commits/5.7.4)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]