By Joice Alves LONDON (Reuters) -Sterling fell to an almost nine-month low versus the euro on Tuesday after Scotland’s First Minister Nicola Sturgeon said she was set to share details on plans for a new independence referendum. Sturgeon said she was nearly ready to give more details on how Scotland’s devolved parliament could move ahead with a new independence referendum without the consent of the British government. British Prime Minister Boris Johnson and his Conservative Party, which is in opposition in Scotland, strongly oppose a referendum, saying the issue was settled in 2014 when Scots …