chore: Update to OTP-27.2.1 and Alpine 3.21 #413

Job	Run time
docker (DIR=master)	9m 14s
docker (DIR=master VARIANT=alpine)	6m 37s
docker (DIR=27)	3m 44s
docker (DIR=27 VARIANT=slim)	2m 43s
docker (DIR=27 VARIANT=alpine)	3m 10s
docker (DIR=26)	12m 20s
docker (DIR=26 VARIANT=slim)	7m 2s
docker (DIR=26 VARIANT=alpine)	7m 23s
docker (DIR=25)	10m 59s
docker (DIR=25 VARIANT=slim)	6m 8s
docker (DIR=25 VARIANT=alpine)	6m 37s
docker (DIR=24)	9m 28s
docker (DIR=24 VARIANT=slim)	5m 41s
docker (DIR=24 VARIANT=alpine)	6m 30s
	1h 37m 36s

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