easy-no-password

Node.js 18 compatibility. Changes from using Node.js cipher to pure JS cipher.

Update dependencies to clean up npm audit

Updating dependencies and upgrading to GitHub Actions

• Removes "babel-polyfill" dependency to make the library more hermetic.
• Increases engine requirement to Node.js version 4.

The change to the Node.js minimum version is enough to give this a major version bump, but I want existing users to receive the removal of "babel-polyfill", which made this library non-hermetic.