[ReleasePR databoxedge] Updated description for K8 and CloudEdgeManagementRole (#1836)
[ReleasePR databoxedge] Updated description for K8 and CloudEdgeManagementRole (#1836)

Create to sync https://github.com/Azure/azure-rest-api-specs/pull/15526
[ReCreate this PR](https://github.com/azure-resource-manager-schemas/compare/main...AzureSDKAutomation:sdkAuto/databoxedge?expand=1)
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