Add more Python 3.15 stdlib updates #15264

Job	Run time
stubtest: stdlib (windows-latest, 3.13)	1m 15s
stubtest: stdlib (windows-latest, 3.12)	1m 22s
stubtest: stdlib (ubuntu-latest, 3.13)	36s
stubtest: stdlib (ubuntu-latest, 3.12)	37s
stubtest: stdlib (windows-latest, 3.11)	1m 7s
stubtest: stdlib (ubuntu-latest, 3.10)	34s
stubtest: stdlib (ubuntu-latest, 3.14)	35s
stubtest: stdlib (ubuntu-latest, 3.11)	36s
stubtest: stdlib (ubuntu-latest, 3.15)	51s
stubtest: stdlib (windows-latest, 3.15)	1m 48s
stubtest: stdlib (macos-latest, 3.10)	40s
stubtest: stdlib (macos-latest, 3.14)	24s
stubtest: stdlib (macos-latest, 3.15)	47s
stubtest: stdlib (windows-latest, 3.14)	1m 18s
stubtest: stdlib (macos-latest, 3.12)	30s
stubtest: stdlib (macos-latest, 3.11)	28s
stubtest: stdlib (macos-latest, 3.13)	24s
	13m 52s

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