Add support for the `editor` role #1902

Job	Run time
unit-test conda-store-server (ubuntu)	6m 10s
unit-test conda-store-server (macos)	9m 35s
integration-test conda-store-server	6m 15s
Build docker images (conda-store)	20s
unit-test conda-store-server (windows)	19m 48s
Build docker images (conda-store-server)	40s
integration-test conda-store (3.8)	4m 33s
integration-test conda-store (3.9)	4m 28s
integration-test conda-store (3.10)	4m 27s
	56m 16s

Provide feedback