scikit-surgeryutils 2.0.0 Release: compatible with PySide6 v6.5.1.1 and scikit-surgeryvtk>=2.0.1

Summary -- Release highlights

• Adds install libxcb-cursor-dev to ci.yml > #56
• Updates ci.yml for QT settings and Qt for X11 Requirements
• Updates requirements PySide6>=6.5.1.1 and scikit-surgeryvtk>=2.0.1
• Solves conflicts with opencv-contrib-python-headless version by updating versions in scikit-surgeryvtk 2.0.1. > #58
• Updates classifiers in setup.py https://pypi.org/classifiers/

Local and remote unit tests

• Passed unit tests locally and remotely for python versions 3.8, 3.9, 3.10, 3.11 and multi-os (ubuntu, mac, and windows)
  This is a summary for python 3.8:
  • Local OS Ubuntu 22.04.1 LTS; Kernel; Linux 5.19.0-35-generic (19 passed, 7 skipped in 14.66s)
  • CI ubuntu-latest, 3.8 (23 passed, 3 skipped in 14.34s)
  • CI windows-latest, 3.8 (24 passed, 2 skipped in 22.22s )
  • CI macos-latest, 3.8 ( 24 passed, 2 skipped in 65.46s (0:01:05) )
• Summary of skipped test in local machine with OS Ubuntu 22.04.1 LTS; Kernel; Linux 5.19.0-35-generic
  tests/test_common_overlay_apps.py::test_OverlayOnVideoFeedCropRecord_from_file SKIPPED
  tests/test_common_overlay_apps.py::test_OverlayOnVideoFeedCropRecord_from_webcam SKIPPED
  tests/test_common_overlay_apps.py::test_OverlayBaseWidgetRaisesNotImplementedError SKIPPED
  tests/test_common_overlay_apps.py::test_OverlayOnVideoFeedCropRecord_set_roi SKIPPED
  tests/test_rendermodelslikecamera.py::test_rendermodelslikecamera SKIPPED
  tests/test_sksurgerytextoverlay.py::test_sksurgerytextoverlay SKIPPED
  tests/utils/test_image_utils.py::test_image_to_pixel_valid_rgb_example SKIPPED

Docs fixes

• Updates settings (branches, .readthedocs.yaml) in https://readthedocs.org/projects/scikit-surgeryutils/builds/
• Fix docs removed "build succeeded, 50 warnings." remotely https://readthedocs.org/projects/scikit-surgeryutils/builds/21077788/ but not locally.

Other bug fixes

• Solved TypeError('Input is not an np.ndarray') > #54