Support for older Docker versions?

I just tried to install the latest version on my Synology NAS, but it appears that the healthcheck feature requires Docker engine v25+... but the Container Manager on Synology appears to be stuck on v20 (), and I can't seem to find ways to update the underlying docker on this device.
Am I SOL? Does anyone have instructions for having all images stored on a NAS from a separate docker machine?

Thanks!
docker --version // Docker version 20.10.23, build 876964a

... 
Creating Container immich_machine_learning Creating can't set healthcheck.start_interval as feature require Docker Engine v25 or later
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