[Auto-Sync] LLVM 18 update

[Rot127]

SQUASH ME

commit message:

Refactor auto-sync updater

This refactors the auto-sync updater scripts, adds multiple tests and some other smaller things:

- Converts the updater in a proper Python package.
- Renaming was done to fit this new package structure.
- Format code with usort and black and enforce it with the CI.
- Add license information to auto-sync scripts.
- Update tree-sitter-cpp to v20.0.5
- Fix py-tree-sitter version to `< 0.22.0` due to https://github.com/tree-sitter/tree-sitter-cpp/issues/250
- Allow file/dir creation of non existing paths.
- Add CI tests for Patch, inc gen, translation and diff persistence testing.
- Implement editing of diffs with an editor.
- Fix: Add Namespace id also to anonymous enumeration members.

Your checklist for this pull request

• I've documented or updated the documentation of every function and struct this PR changes. If not so I've explained why.
• I've added tests that prove my fix is effective or that my feature works (if possible)

Detailed description

For now only fixups and tests for the AS scripts. No changes to the archs

• Add a Capstone diet build test With arch updates.

Test plan

CI green

Closing issues

...

[Rot127]

@kabeor Also please take a look at this one. I will add more tests, but implement them together with the arch updates (each in separated PRs).

But this makes already many changes. No need to stack them indefinitely.

[Rot127]

@kabeor When you merge, please squash and use the commit message from above

[Rot127]

@kabeor Can you please take a look at it. It does a lot of clean ups.

[kabeor]

Thanks a lot. I have started the review, will done asap.

[kabeor]

Really nice! Thanks a lot!