Build

Revert explicit use of Qt 6.10.0 in CI #677

Job	Run time
ubuntu (24.04)	7m 35s
windows (win64_mingw73, 3.10, 5.12.*, x64)	6m 16s
oldschool (rockylinux, 9, release)	4m 42s
macOS (latest, 3.9, 5.9.*, release)	8m 58s
macOS (latest, 3.9, 5.9.*, debug)	9m 57s
macOS (latest, 3.11, 5.12.*, debug)	6m 4s
windows (win64_msvc2017_64, 3.6, x64, 5.11.*)	8m 53s
windows (win32_mingw53, 3.6, x86, 5.11.*)	7m 54s
ubuntu (22.04)	9m 1s
windows (win64_msvc2019_64, 3.13, x64, 5.15.*, PythonQtCore PythonQtGui PythonQtMultimedia)	4m 59s
oldschool (rockylinux, 9, debug)	6m 32s
	1h 20m 51s

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