tpaviot/pythonocc-core: 7.9.3

This release requires opencascade-7.9.3 Highlights: OpenCASCADE 7.9.3 and SWIG 4.4.1 C++17 standard Python 3.13 and 3.14 support (Python 3.9 dropped) Tesselator performance: up to 37% faster exports, 50% less memory OpenGL Core Profile API for Qt6 integration Several memory leak fixes in SWIG typemaps and handle management Type stubs (.pyi) for Display and Extend packages wrapper: upgrade to OpenCASCADE 7.9.3, bump SWIG to 4.4.1 wrapper: bump C++ standard to C++17 wrapper: add support for Python 3.13 and 3.14, drop Python 3.9 wrapper: fix memory leak in TopoDS_Shape output typemaps wrapper: fix memory leaks in SWIG wrappers (FunctionTransformers, OccHandle) wrapper: add template for non-const byref handles, #1443 wrapper: use Delete() method for occ handles wrapper: use builtin SWIG_Python_AppendOutput wrapper: refactored IOStream and exception catcher wrapper: wrap NCollection_List iterator wrapper: improve wrapper for NCollection_Sequence, iter method added wrapper: add docstrings and stubs (.pyi) for Display and Extend packages wrapper: fix type hints for Display and Extend packages wrapper: overall blackification (code formatting) tesselator: optimize ShapeTesselator speed and memory with C++17 idioms tesselator: switch from double to float for mesh vertices and normals, halving memory usage display: add OpenGL Core Profile API to Display3d display: add SetSRGBDisabled() to disable sRGB framebuffer display: extend selection mode with wires and shells display: don't draw seam edges in OCCViewer, #1413 data exchange: add sew and make_solid options to STL importer for solid construction from 2d triangular mesh build: add DEBUG_MEMORY compilation mode build: fix macOS build (std::to_chars float compatibility) build: fix conda build issues (sysroot, OpenGL path, dylib warnings) ci/cd: use Windows 2022 in Azure pipelines