Build

chore(PythonQt): Migrate to Python-3 Unicode API; update generator/wrappers; add opt-in PyString shim; enforce Python ≥ 3 #604

Job	Run time
oldschool (rockylinux, 9, debug)	1m 12s
macOS (latest, 3.11, 5.12.*, debug)	6m 24s
ubuntu (22.04)	6m 56s
macOS (latest, 3.9, 5.9.*, debug)	8m 23s
ubuntu (24.04)	7m 19s
windows (win64_msvc2017_64, 3.6, x64, 5.11.*)	4m 30s
macOS (latest, 3.9, 5.9.*, release)	16m 18s
windows (win32_mingw53, 3.6, x86, 5.11.*)	6m 25s
windows (win64_mingw73, 3.10, 5.12.*, x64)	6m 3s
windows (win64_msvc2019_64, 3.13, x64, 5.15.*, PythonQtCore PythonQtGui PythonQtMultimedia)	4m 26s
oldschool (rockylinux, 9, release)	4m 33s
oldschool (rockylinux, 9, debug)	55s
oldschool (rockylinux, 9, release)	4m 33s
macOS (latest, 3.11, 5.12.*, debug)	6m 24s
macOS (latest, 3.9, 5.9.*, release)	16m 18s
windows (win64_msvc2019_64, 3.13, x64, 5.15.*, PythonQtCore PythonQtGui PythonQtMultimedia)	4m 26s
ubuntu (24.04)	7m 19s
windows (win32_mingw53, 3.6, x86, 5.11.*)	6m 25s
windows (win64_msvc2017_64, 3.6, x64, 5.11.*)	4m 30s
ubuntu (22.04)	6m 56s
macOS (latest, 3.9, 5.9.*, debug)	8m 23s
windows (win64_mingw73, 3.10, 5.12.*, x64)	6m 3s
oldschool (rockylinux, 9, debug)	4m 43s
windows (win64_mingw73, 3.10, 5.12.*, x64)	6m 3s
macOS (latest, 3.9, 5.9.*, debug)	8m 23s
ubuntu (24.04)	7m 19s
windows (win64_msvc2019_64, 3.13, x64, 5.15.*, PythonQtCore PythonQtGui PythonQtMultimedia)	4m 26s
windows (win32_mingw53, 3.6, x86, 5.11.*)	6m 25s
windows (win64_msvc2017_64, 3.6, x64, 5.11.*)	4m 30s
macOS (latest, 3.11, 5.12.*, debug)	6m 24s
oldschool (rockylinux, 9, release)	4m 33s
macOS (latest, 3.9, 5.9.*, release)	16m 18s
ubuntu (22.04)	6m 56s
	3h 40m 41s

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