Libsast

Replace to Pool with ProcessPoolExecutor

* Read worker count from `LIBSAST_WORKERS`
* Possibly Fix 32 by lowering the worker count on Windows/Windows & Thread ripper combo

* Fixed a bug in Windows affecting CPUs with more than 61 logical processors. (30)

**Full Changelog**: https://github.com/ajinabraham/libsast/compare/2.0.0...2.0.1

* Speed and Performance Improvements for Pattern Matcher and Choice Matcher.

**Full Changelog**: https://github.com/ajinabraham/libsast/compare/1.5.3...2.0.0

* Semgrep bump to 0.117.0
* Tox QA
* Python version bump to 3.8+
* Migrate setup.py to Poetry

* Consistent files array bug fix