Update Python 3.14 stubs #15136

Job	Run time
stubtest: stdlib (ubuntu-latest, 3.12)	33s
stubtest: stdlib (ubuntu-latest, 3.10)	41s
stubtest: stdlib (ubuntu-latest, 3.14)	35s
stubtest: stdlib (macos-latest, 3.10)	1m 4s
stubtest: stdlib (windows-latest, 3.14)	1m 8s
stubtest: stdlib (windows-latest, 3.12)	1m 12s
stubtest: stdlib (macos-latest, 3.11)	37s
stubtest: stdlib (ubuntu-latest, 3.13)	37s
stubtest: stdlib (windows-latest, 3.11)	1m 25s
stubtest: stdlib (ubuntu-latest, 3.11)	40s
stubtest: stdlib (macos-latest, 3.13)	31s
stubtest: stdlib (windows-latest, 3.13)	1m 31s
stubtest: stdlib (macos-latest, 3.12)	48s
stubtest: stdlib (macos-latest, 3.14)	30s
	11m 52s

Provide feedback