Bump minimum python version to 3.10 #508

Job	Run time
test (ubuntu-20.04, 3.10, PyQt5~=5.15.0)	1m 25s
test (ubuntu-20.04, 3.11, PyQt5~=5.15.0)	1m 37s
test (ubuntu-20.04, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	1m 41s
test (ubuntu-22.04, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0, glibc-tools)	1m 28s
test (ubuntu-22.04, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0, glibc-tools)	1m 42s
test (ubuntu-22.04, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0, glibc-tools)	1m 32s
test (macos-13, 3.10, PyQt5~=5.15.0)	1m 14s
test (macos-14, 3.11, PyQt5~=5.15.0)	49s
test (macos-15, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	45s
test (macos-latest, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	46s
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)	52s
test (windows-2019, 3.10, PyQt5~=5.15.0)	1m 27s
test (windows-2019, 3.11, PyQt5~=5.15.0)	1m 28s
test (windows-2019, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	2m 10s
test (windows-2019, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	2m 9s
test (windows-2019, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	2m 4s
test (windows-2019, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0)	2m 54s
	26m 50s

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