According to the document:https://learn.microsoft.com/en-us/troubleshoot/power-platform/dataverse/working-with-solutions/install-failure-priviledge-not-assigned#workaround, there are 3 roles that can help import solution (System Administrator, System Customizer, and Environment Maker). However, it would be better if there is an out-of-the-box role that can focus on only export and import solution and help user share the components.