Is your feature request related to a problem? Please describe.
In ignite 0.4.4, @vfdev-5 and I developed a new arg in CheckpointHandler greater_or_equal, which is a feature request from our interval research team.
https://github.com/pytorch/ignite/blob/master/ignite/handlers/checkpoint.py#L101
Need to add this support in MONAI as MONAI already updated the ignite dependency to 0.4.4.