v0.7.2

Updated sample project and tests to .Net 8, still targeting netstandard2.0.

What's Changed

• Bump Newtonsoft.Json from 13.0.1 to 13.0.2 in /SimpleBrowser by @dependabot in #2

Async version of Simple Headless Browser

Async version, remove depenency on RazorLight, implemented IDisposable.

This is a fork on this pull request implemented in a new Repo
SimpleBrowserDotNet/SimpleBrowser#260