incorrect number of sprintf placeholders

related to #14259

I just found two more places, where an incorrect number of parameters is passed to a sprintf:

https://github.com/matomo-org/matomo/blob/07adf0ac04dfb8f35be41d9add1855b6e646f8db/plugins/Feedback/API.php#L46

https://github.com/matomo-org/matomo/blob/6395855aa7f3813cc7f413a18d31505ea26ba32a/plugins/CoreConsole/Commands/GenerateReport.php#L72