hubble-relay: Add flag to run gops agent
hubble-relay: Add flag to run gops agent

It is enabled by default so that cilium-sysdump will be able to dump
stack traces.

Fixes: #11227

Signed-off-by: Sebastian Wicki <db043b2055cb3a47b2eb0b5aebf4e114a8c24a5a@isovalent.com>

michi-covalent/cilium,tgraf/cilium,michi-covalent/cilium,cilium/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,cilium-team/cilium,tklauser/cilium,tklauser/cilium,tgraf/cilium,tklauser/cilium,tgraf/cilium,cilium/cilium,cilium/cilium,cilium-team/cilium,tklauser/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,tklauser/cilium,michi-covalent/cilium