Venmo this morning announced it will begin to offer a new check cashing service, “Cash a Check,” in the Venmo mobile app. The feature, which is being rolled out to select users starting today, can be used to cash printed, payroll and U.S. government checks, including the new stimulus checks, the company says. Though typically there will be fees associated with the Cash a Check feature, Venmo says these are being waived on stimulus funds for a limited time. To be eligible to use Cash a Check, Venmo customers will…