metrics: Change type of minio_s3_requests_waiting_total to gauge (#11884)
metrics: Change type of minio_s3_requests_waiting_total to gauge (#11884)


NitishT/minio,balamurugana/minio,donatello/minio,minio/minio,NitishT/minio,krisis/minio,vadmeste/minio,NitishT/minio,vadmeste/minio,balamurugana/minio,krisis/minio,minio/minio,NitishT/minio,donatello/minio