docs: agent health port is only listening on localhost
docs: agent health port is only listening on localhost

Ref. https://github.com/cilium/cilium/blob/dfa6b157e8e9484c65fd938b2b45a4f5f50c61f9/daemon/cmd/agenthealth.go#L25-L31

Signed-off-by: Tobias Klauser <059b8b880f8441509ec8a65b50b4c6ae74ebea76@cilium.io>

cilium/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium