Add Python 3.15 profiling stubs #15243

Job	Run time
stubtest: stdlib (windows-latest, 3.11)	1m 15s
stubtest: stdlib (ubuntu-latest, 3.11)	38s
stubtest: stdlib (ubuntu-latest, 3.12)	38s
stubtest: stdlib (windows-latest, 3.14)	1m 14s
stubtest: stdlib (windows-latest, 3.12)	1m 29s
stubtest: stdlib (ubuntu-latest, 3.15)	50s
stubtest: stdlib (macos-latest, 3.10)	44s
stubtest: stdlib (ubuntu-latest, 3.13)	37s
stubtest: stdlib (windows-latest, 3.13)	1m 53s
stubtest: stdlib (macos-latest, 3.12)	32s
stubtest: stdlib (ubuntu-latest, 3.14)	38s
stubtest: stdlib (windows-latest, 3.15)	1m 53s
stubtest: stdlib (ubuntu-latest, 3.10)	38s
stubtest: stdlib (macos-latest, 3.15)	48s
stubtest: stdlib (macos-latest, 3.11)	24s
stubtest: stdlib (macos-latest, 3.13)	25s
stubtest: stdlib (macos-latest, 3.14)	36s
	15m 12s

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