test: auto correct grafana port in test vagrant vms
test: auto correct grafana port in test vagrant vms

Not having auto_correct set to true caused concurrent vagrant envs
to conflict on host port 3000 which caused builds to fail

Signed-off-by: Maciej Kwiek <33c1fdf481c8e628d4c6db7ea8dc77f49f2fa5d7@isovalent.com>

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