French and British authorities are tracking a migrant boat this lunchtime, launched from the furthest away beach ever recorded, GB News can reveal.The migrant dinghy was spotted after launching the beach south of the port of Dieppe in Normandy around 8am today.A lifeboat was scrambled from Dieppe to catch up and escort the dinghy as it headed out into the English Channel.The launch site is around 100 miles south of the beaches more regularly use…