Fix heapq and _heapq stubs #15399

Job	Run time
stubtest: stdlib (ubuntu-latest, 3.13)	44s
stubtest: stdlib (windows-latest, 3.12)	1m 40s
stubtest: stdlib (windows-latest, 3.13)	1m 25s
stubtest: stdlib (ubuntu-latest, 3.12)	35s
stubtest: stdlib (ubuntu-latest, 3.14)	40s
stubtest: stdlib (ubuntu-latest, 3.11)	41s
stubtest: stdlib (windows-latest, 3.11)	1m 10s
stubtest: stdlib (ubuntu-latest, 3.10)	37s
stubtest: stdlib (ubuntu-latest, 3.15)	48s
stubtest: stdlib (macos-latest, 3.15)	51s
stubtest: stdlib (macos-latest, 3.13)	43s
stubtest: stdlib (macos-latest, 3.12)	45s
stubtest: stdlib (windows-latest, 3.14)	1m 52s
stubtest: stdlib (macos-latest, 3.10)	1m 14s
stubtest: stdlib (windows-latest, 3.15)	1m 46s
stubtest: stdlib (macos-latest, 3.14)	55s
stubtest: stdlib (macos-latest, 3.11)	27s
	16m 53s

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