In Evolve it is not possible to change the name of the solution in Composer.
User need to Reimport the solution with the new name.
In version 12x we had possibility to change the name of the solution. Where as in Evolve it is greyed out .
See screenshots attached
Currently this is the only possibility users would need to Export the solution ; change the name ; reimport the solution and then redeploy the solution.
Improvement has been raised for the same.