CI: Enabled OpenCL tests on Linux and OpenGL tests on Windows #1669

Job	Run time
Python 3.8 on ubuntu-20.04 PyQt5	10m 7s
Python 3.11 on ubuntu-latest PyQt6	11m 46s
Python 3.12 on ubuntu-latest PySide6	7m 22s
Python 3.10 on macos-13 PyQt5	15m 32s
Python 3.12 on macos-13 PyQt6	14m 52s
Python 3.9 on macos-13 PySide6	10m 33s
Python 3.9 on windows-latest PyQt5	10m 50s
Python 3.12 on windows-latest PyQt6	10m 5s
Python 3.10 on windows-latest PySide6	8m 45s
	1h 39m 52s

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