Build

Bump actions/upload-artifact from 3 to 4 #439

Job	Run time
oldschool (rockylinux, 9, debug)	5m 3s
macOS (latest, 3.9, 5.9.*, release)	7m 8s
oldschool (rockylinux, 9, release)	4m 54s
ubuntu (20.04)	7m 52s
macOS (latest, 3.9, 5.9.*, debug)	5m 33s
ubuntu (22.04)	6m 50s
macOS (latest, 3.11, 5.12.*, debug)	5m 36s
windows (win64_mingw73, 3.10, 5.12.*, x64)	5m 59s
windows (win64_msvc2017_64, 3.6, x64, 5.11.*)	5m 24s
windows (win64_msvc2019_64, 3.13, x64, 5.15.*, PythonQtCore PythonQtGui PythonQtMultimedia)	5m 2s
windows (win32_mingw53, 3.6, x86, 5.11.*)	6m 36s
	1h 5m 57s

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