internal/rosa/hakurei: migrate to helper

This predates the helper infrastructure, so migrate it.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/images.go

@@ -23,7 +23,7 @@ go build -trimpath -v -o /work/system/libexec/hakurei -ldflags="-s -w
 	-X hakurei.app/internal/info.buildVersion=${HAKUREI_VERSION}
 " ./cmd/earlyinit
 echo
-`, false)
+`, "", "", false)
 	})
 }