add HEAD for cluster healthcheck (#12140)
add HEAD for cluster healthcheck (#12140)

fixes #12130

Signed-off-by: Harshavardhana <648737a4d5e8e7f3005f086c2dbed7bf1e0319c8@minio.io>
balamurugana/minio,krisis/minio,NitishT/minio,vadmeste/minio,donatello/minio,krisis/minio,minio/minio,NitishT/minio,balamurugana/minio,NitishT/minio,donatello/minio,minio/minio,NitishT/minio,vadmeste/minio