They are doing just what you suggested. They are launching the Starlink satellites (rather than the previous 49) into a higher initial orbit.
“A Falcon 9 rocket set for launch Monday will deploy the SpaceX’s next batch of Starlink internet satellites into a higher, more circular orbit than the last few flights, reducing the potential risk to the satellites from a solar storm like the one that destroyed at least 38 Starlink spacecraft earlier this month.”
46 Starlink satellites