By Gilles Guillaume and Satoshi Sugiyama PARIS/TOKYO (Reuters) -Renault and Nissan said on Monday they were in talks about the future of their alliance, including the Japanese automaker considering investing in a new electric vehicle venture by its French partner. The talks, which could prompt the biggest reset in the alliance since the 2018 arrest of longtime executive Carlos Ghosn, have included consideration of Renault selling some of its Nissan stake, two people with knowledge of them said. Negotiations are expected to continue ahead of a Renault investor presentation in early November, wh…