[AutoPR azure-mgmt-databoxedge] Updated description for K8 and CloudEdgeManagementRole#6850

openapi-sdkautomation[bot] wants to merge 1 commit intorelease/v3AzureSDKAutomation/azure-sdk-for-python:release/v3from

sdkAuto/15526/azure-mgmt-databoxedgeAzureSDKAutomation/azure-sdk-for-python:sdkAuto/15526/azure-mgmt-databoxedgeCopy head branch name to clipboard