Backport of NET-6942 - Replace usage of deprecated Envoy field envoy.config.cluster.v3.Cluster.http_protocol_options. into release/1.15.x#20031

jmurret merged 2 commits intorelease/1.15.xhashicorp/consul:release/1.15.xfrom

backport/jm/NET-6942/admittedly-intimate-oriolehashicorp/consul:backport/jm/NET-6942/admittedly-intimate-orioleCopy head branch name to clipboard