endpoint: make "Regenerating endpoint" log Debug level
endpoint: make "Regenerating endpoint" log Debug level

If frequent regenerations occur for a lot of endpoints, a lot of logs are
generated, which is not suitable for production environments. Reduce the log
level accordingly to Debug level.

Signed-off by: Ian Vernon <ian@cilium.io>

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