Alpine: install curl on architectures we build from source.

Dockerfile-alpine-otel.template

Dockerfile-alpine-perl.template

Dockerfile-alpine-slim.template

Dockerfile-alpine.template

mainline/alpine-otel/Dockerfile

mainline/alpine-perl/Dockerfile

mainline/alpine-slim/Dockerfile

mainline/alpine/Dockerfile

stable/alpine-otel/Dockerfile

stable/alpine-perl/Dockerfile

stable/alpine-slim/Dockerfile

stable/alpine/Dockerfile