Upgrade CI to Alpine 3.20 #1880

Job	Run time
macos12	19m 7s
macos12	16m 39s
MemoryTest (glibc_debug)	10m 34s
MemoryTest (glibc_debug)	10m 34s
MemoryTest (sanitize_address)	11m 51s
MemoryTest (sanitize_address)	11m 51s
Linux (ubuntu:24.04)	13m 11s
Linux (ubuntu:24.04)	13m 11s
MemoryTest (sanitize_others)	16m 49s
MemoryTest (sanitize_others)	16m 49s
Linux (ubuntu:22.04)	12m 12s
Linux (ubuntu:22.04)	12m 12s
MemoryTest (sanitize_thread)	6m 27s
MemoryTest (sanitize_thread)	6m 27s
Linux (ubuntu:20.04)	10m 3s
Linux (ubuntu:20.04)	10m 3s
MemoryTest (valgrind)	29m 36s
MemoryTest (valgrind)	29m 36s
Linux (debian:bookworm)	12m 46s
Linux (debian:bookworm)	12m 46s
Linux (debian:bullseye)	9m 37s
Linux (debian:bullseye)	9m 37s
Linux (rockylinux:9)	13m 23s
Linux (rockylinux:9)	13m 23s
Linux (rockylinux:8)	13m 24s
Linux (rockylinux:8)	13m 24s
Linux (fedora:40)	16m 42s
Linux (fedora:40)	16m 42s
Linux (fedora:39)	13m 14s
Linux (fedora:39)	13m 14s
Linux (opensuse/leap:15)	12m 28s
Linux (opensuse/leap:15)	12m 28s
Linux (alpine:3.20)	19m 35s
Linux (alpine:3.20)	19m 35s
	7h 59m 30s

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