chore(deps): bump @types/styled-system from 5.1.16 to 5.1.18

Bumps [@types/styled-system](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/styled-system) from 5.1.16 to 5.1.18.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/styled-system)

---
updated-dependencies:
- dependency-name: "@types/styled-system"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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