[ReleasePR keyvault] [Hub Generated] Review request for Microsoft.KeyVault to add version stable/2021-10-01 and preview/2021-11-01-preview (#2173)

Create to sync Azure/azure-rest-api-specs#16156
[ReCreate this PR](https://github.com/azure-resource-manager-schemas/compare/main...AzureSDKAutomation:sdkAuto/keyvault?expand=1)

Author: msftbot[bot]