By Tassilo Hummel and Pascal Rossignol DUNKIRK, France (Reuters) – French energy major TotalEnergies on Thursday started talks with trade unions to break a deadlock over a third week of strikes in refineries and fuel depots which have sapped the country’s petrol supplies. The talks came less than a day after President Emmanuel Macron’s government told the group, which has earned bumper profits as energy prices have spiralled higher, to pay its workers more. The industrial action has reduced France’s refinery capacity by more than 60% and left one in three petrol stations struggling for fuel. T…