Capitalize keyword in alpine dockerfile #764

Job	Run time
cryptography-runner-rhel8	52s
cryptography-runner-rhel8-fips	50s
cryptography-runner-centos-stream9	56s
cryptography-runner-centos-stream9-fips	1m 7s
cryptography-runner-fedora	1m 9s
cryptography-runner-alpine	48s
cryptography-runner-bullseye	1m 0s
cryptography-runner-bookworm	59s
cryptography-runner-trixie	54s
cryptography-runner-sid	57s
cryptography-runner-ubuntu-focal	53s
cryptography-runner-ubuntu-jammy	57s
cryptography-runner-ubuntu-noble	54s
cryptography-runner-ubuntu-rolling	48s
cryptography-manylinux2014:x86_64	2m 4s
cryptography-manylinux_2_28:x86_64	2m 17s
cryptography-musllinux_1_1:x86_64	2m 1s
cryptography-musllinux_1_2:x86_64	2m 34s
cryptography-manylinux2014_aarch64	51s
cryptography-manylinux_2_28:aarch64	36s
cryptography-musllinux_1_1:aarch64	40s
cryptography-musllinux_1_2:aarch64	2m 41s
cryptography-runner-ubuntu-rolling:aarch64	18s
cryptography-runner-alpine:aarch64	18s
	27m 24s

Provide feedback