daemon: adding support for egress policy tracing
daemon: adding support for egress policy tracing

Previously, only ingress policy tracing is supported.

Fixes: #9790

Signed-off-by: Wenxian Li <67bb4c9ef3637c4456e0077570e2b288296c8de0@gmail.com>

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