Add Python 3.15 profiling stubs #15240

Job	Run time
stubtest: stdlib (ubuntu-latest, 3.11)	1m 3s
stubtest: stdlib (ubuntu-latest, 3.14)	41s
stubtest: stdlib (windows-latest, 3.11)	1m 4s
stubtest: stdlib (ubuntu-latest, 3.13)	30s
stubtest: stdlib (ubuntu-latest, 3.15)	45s
stubtest: stdlib (windows-latest, 3.12)	1m 10s
stubtest: stdlib (ubuntu-latest, 3.10)	38s
stubtest: stdlib (macos-latest, 3.12)	30s
stubtest: stdlib (macos-latest, 3.10)	47s
stubtest: stdlib (windows-latest, 3.13)	1m 27s
stubtest: stdlib (macos-latest, 3.15)	47s
stubtest: stdlib (ubuntu-latest, 3.12)	33s
stubtest: stdlib (macos-latest, 3.11)	39s
stubtest: stdlib (windows-latest, 3.14)	1m 9s
stubtest: stdlib (macos-latest, 3.13)	27s
stubtest: stdlib (windows-latest, 3.15)	2m 6s
stubtest: stdlib (macos-latest, 3.14)	25s
	14m 41s

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