Request for ESM Support

**Improved Interoperability:** ESM is the modern standard for JavaScript modules, offering better tree-shaking, improved performance, and better compatibility with modern JavaScript tooling and bundlers.

**Enhanced Developer Experience:** ESM provides a cleaner and more modern syntax for importing and exporting modules, leading to a better developer experience.

**Future-Proofing:** Adopting ESM ensures cookie-parser is compatible with future JavaScript ecosystems and best practices.

**Thank you for considering this feature request!**