Build

fix: shellcheck finding #1165

Job	Run time
build (develop, alpine:3)	33m 42s
build (latest, debian:stable-slim)	37m 10s
build (develop, debian:stable-slim)	35m 52s
build (latest, alpine:3)	36m 43s
delete-untagged-images	24s
	2h 23m 51s

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