Bump minimum python version to 3.10 #502

Job	Run time
test (ubuntu-20.04, 3.10, PyQt5~=5.15.0)	1m 33s
test (ubuntu-20.04, 3.11, PyQt5~=5.15.0)	1m 27s
test (ubuntu-20.04, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	1m 29s
test (ubuntu-22.04, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0, glibc-tools)	1m 41s
test (ubuntu-22.04, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0, glibc-tools)	1m 23s
test (ubuntu-22.04, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0, glibc-tools)	2m 2s
test (macos-13, 3.10, PyQt5~=5.15.0)	1m 19s
test (macos-14, 3.11, PyQt5~=5.15.0)	49s
test (macos-15, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	43s
test (macos-latest, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	48s
test (macos-latest, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	47s
test (macos-latest, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0)	1m 0s
test (windows-2019, 3.10, PyQt5~=5.15.0)	1m 54s
test (windows-2019, 3.11, PyQt5~=5.15.0)	2m 7s
test (windows-2019, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	2m 3s
test (windows-2019, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	2m 15s
test (windows-2019, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	2m 8s
test (windows-2019, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0)	3m 6s
	28m 34s

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