LISBON (Reuters) – Former German chancellor Angela Merkel said on Thursday she had no regrets about the course her government took with its energy policy and Russia during her time in power, which critics say left Europe’s biggest economy too dependent on Russian gas. Germany and other European countries are trying to end their reliance on Russian oil and gas after Putin sent troops into Ukraine as part of what he calls a special military operation. Last year, 55% of German gas imports came from Russia, partly the result of Merkel’s pursual of trade ties with Russia and backing the controversi…