Use lighter Meeko package

[ale94mleon]

• Replace the standard Meeko package by a simple fork which is easy to maintain. Future versions may default back to the standard library.
• Versioning to use post information too.
• Fix Dealing with meeko dependency #8
• Close Support Python 3.12 #9 and Addition of an internal meeko #10.
• This PR drops Python 3.8 support and adds compatibility with Python 3.12 and 3.13.