Starbucks Coffee is launching a new matcha frappuccino alongside an exclusive one-day offer to celebrate the upcoming St. Patrick’s Day. March 17 marks the annual St. Patrick’s Day as a holiday full of fun times and hard partying. Naturally, some of the US’s biggest fast food brands jump at the chance to rake in the cash with limited edition seasonal items. St Patrick’s Day is looking green at StarbucksIn keeping with the overall green theme of the Irish holiday, Starbucks is releasing a new Luck of the Matcha Crème Frappuccino on March 12. Said to be inspired by the “pot o’ gold at the end of…