Backport of build: ensure we pull through the hashicorp proxy instead of going directly to the docker hub into release/1.17.x#19486

hc-github-team-consul-core merged 1 commit intorelease/1.17.xhashicorp/consul:release/1.17.xfrom

backport/rboyer/fix-docker-build-rate-limit/inherently-notable-egrethashicorp/consul:backport/rboyer/fix-docker-build-rate-limit/inherently-notable-egretCopy head branch name to clipboard