mem: Don't use posix_memalign() and friends with custom wrapper. #25

Job	Run time
basic_clang	5m 53s
basic_gcc	5m 44s
check_docs	1m 0s
check_update	1m 19s
check-ansi	2m 33s
minimal	2m 46s
no-deprecated	5m 29s
no-shared-ubuntu	4m 39s
self-hosted	0s
address_ub_sanitizer	11m 13s
enable_non-default_options	4m 37s
external-test-cf-quiche	3m 52s
external-test-pyca (1.51.0, 3.9)	6m 24s
external-tests	11m 29s
full_featured	6m 14s
fuzz_tests	3m 2s
legacy	4m 34s
memory_sanitizer	17m 40s
no-legacy	5m 50s
non-caching	12m 29s
no-shared-macos (macos-13)	6m 0s
out-of-readonly-source-and-install-macos (macos-13)	10m 43s
out-of-readonly-source-and-install-ubuntu	7m 39s
no-shared-macos (macos-14)	3m 31s
threads_sanitizer	5m 33s
out-of-readonly-source-and-install-macos (macos-14)	5m 43s
	2h 35m 56s

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