(WIP) Add output of draft release and split out VCS Provider

[AdmiringWorm]

Description

This PR when it is ready aims to split out the entire VCS provider to more simple interfaces that can be implemented to provider different supported scenarios for a VCS provider.

Additionally, it also aims to add support to output a drafted release notes to disk instead of creating it remotely on GitHub/GitLab

Related Issue

• Fixes #629
• Fixes #630

Motivation and Context

Why not.

How Has This Been Tested?

Not properly tested yet.....

Screenshots (if appropriate):

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.