bump python 3.9+ #26334

Job	Run time
build-packages / init	4s
build-packages / build-packages (lightning)	23s
build-packages / build-packages (fabric)	19s
build-packages / build-packages (pytorch)	25s
install-pkg (ubuntu-22.04, fabric, 3.9)	1m 48s
install-pkg (ubuntu-22.04, fabric, 3.11)	1m 42s
install-pkg (ubuntu-22.04, pytorch, 3.9)	1m 44s
install-pkg (ubuntu-22.04, pytorch, 3.11)	1m 47s
install-pkg (ubuntu-22.04, lightning, 3.9)	1m 46s
install-pkg (ubuntu-22.04, lightning, 3.11)	1m 48s
install-pkg (ubuntu-22.04, notset, 3.9)	1m 54s
install-pkg (ubuntu-22.04, notset, 3.11)	1m 47s
install-pkg (macOS-14, fabric, 3.9)	39s
install-pkg (macOS-14, fabric, 3.11)	39s
install-pkg (macOS-14, pytorch, 3.9)	39s
install-pkg (macOS-14, pytorch, 3.11)	43s
install-pkg (macOS-14, lightning, 3.9)	40s
install-pkg (macOS-14, lightning, 3.11)	1m 2s
install-pkg (macOS-14, notset, 3.9)	47s
install-pkg (macOS-14, notset, 3.11)	44s
install-pkg (windows-2022, fabric, 3.9)	2m 19s
install-pkg (windows-2022, fabric, 3.11)	2m 31s
install-pkg (windows-2022, pytorch, 3.9)	2m 26s
install-pkg (windows-2022, pytorch, 3.11)	2m 30s
install-pkg (windows-2022, lightning, 3.9)	2m 28s
install-pkg (windows-2022, lightning, 3.11)	2m 15s
install-pkg (windows-2022, notset, 3.9)	1m 50s
install-pkg (windows-2022, notset, 3.11)	2m 28s
	40m 7s

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