Migration to ESM and Nodejs 18+ Support

This as a major upgrade moving the library to nodejs 18 and also ESM.

What's Changed

• Migrating to ESM (adding in npm, vitest, and nodejs version 18+ support) by @jaredwray in https://github.com/jaredwray/airhorn/pull/285
• upgrading webpack, typescript, and winston to latest by @jaredwray in https://github.com/jaredwray/airhorn/pull/286
• upgrading twilio to 4.23.0 by @jaredwray in https://github.com/jaredwray/airhorn/pull/287
• upgrading @sendgrid/mail to 8.1.1 by @jaredwray in https://github.com/jaredwray/airhorn/pull/288
• upgrading aws-sdk to 3.525.0 by @jaredwray in https://github.com/jaredwray/airhorn/pull/289
• upgrading eslint to 8.57.0 by @jaredwray in https://github.com/jaredwray/airhorn/pull/290

Full Changelog: https://github.com/jaredwray/airhorn/compare/v2.0.6...v3.0.0