function onTopics( error, data, info ) {
	if ( error ) {
		return console.error( error );
	}
	console.log( 'Replaced topics for repository.' );
	console.log( 'Response data: '+JSON.stringify( data ) );
	console.log( 'Rate limit: '+JSON.stringify( info ) );
}
Function invoked upon replacing the topics of a repository.

@private
@param {(Error|null)} error - encountered error
@param {Object} data - response data
@param {Object} info - response info
@returns {void}