add formatters to pino's LoggerOptions (#43847)
add formatters to pino's LoggerOptions (#43847)

A new option that deprecates other ones, please see https://github.com/pinojs/pino/blob/master/docs/api.md\#formatters-object for more details.

Signed-off-by: Naseem <cf9c81bcef7da728d6c66303aa58ca0339ef9bbd@transit.app>
markogresak/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped