Python binding setup refactoring + cibuildwheel workflow (#2026)

* Python bindings: Make the test scripts handy for pytest

* Python bindings: Update MANIFEST.in with new paths

* Update .gitignore to exclude PyCharm-related files/folders

* Python bindings: Update CMakeLists.txt in order to set CMAKE_OSX_ARCHITECTURES var

* Python bindings:
- Moved project package settings to the new TOML format
- Refactored setup.py to cleanup/improve the code and make it ready for cibuildwheel
- Updated README.md with the package long description part
- Removed setup.cfg since universal wheel building will be deprecated soon

* Python bindings:
- Replaced old PyPI-publishing.yml workflow with brand-new one based on cibuildwheel
- Removed old building scripts

* Replaced macos-12 runner with macos-13 since it will be removed soon

* Python bindings: Specify SYSTEM_VERSION_COMPAT=0 env var for macos-13 x86_64 runner as per cibuildwheel warning message

* Python bindings: Enable i686 for debugging

* Python bindings: Enable DEBUG flag according to the presence of tag release

* Python bindings: Added matrix to cover i686 manylinux/musllinux builds

* Python bindings:
- Replaced macos-14 runner with macos-latest
- Bumped cibuildwheel GitHub action to 2.21.3 version

* Python bindings:
- Adapt test_uc_ctl_tb_cache test to the recent changes
- Fixed typos
- PEP8 fixes

* GitHub Action Workflow: Introduce BUILD_TYPE env var to select build type according to the presence of tag release

---------

Co-authored-by: mio <mio@lazym.io>

CMakeLists.txt

@@ -30,6 +30,24 @@ if(APPLE AND NOT CMAKE_C_COMPILER)
     set(CMAKE_C_COMPILER "/usr/bin/cc")
 endif()
 
+# Source: https://github.com/capstone-engine/capstone/blob/next/CMakeLists.txt
+# If building for OSX it's best to allow CMake to handle building both architectures
+if(APPLE)
+    # The cibuildwheel on Github Actions sets this env variable
+    # with the architecture flags it wants to build for.
+    if(DEFINED ENV{ARCHFLAGS})
+        if("$ENV{ARCHFLAGS}" STREQUAL "-arch arm64 -arch x86_64")
+            set(CMAKE_OSX_ARCHITECTURES "x86_64;arm64")
+        elseif("$ENV{ARCHFLAGS}" STREQUAL "-arch arm64")
+            set(CMAKE_OSX_ARCHITECTURES "arm64")
+        elseif("$ENV{ARCHFLAGS}" STREQUAL "-arch x86_64")
+            set(CMAKE_OSX_ARCHITECTURES "x86_64")
+        endif()
+    else()
+        set(CMAKE_OSX_ARCHITECTURES "x86_64;arm64")
+    endif()
+endif()
+
 # Detect if unicorn is compiled as the top-level project
 set(PROJECT_IS_TOP_LEVEL OFF)
 if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)