Add Azure OpenAI (Azure#36390)

Co-authored-by: Shawn Fang <45607042+mssfang@users.noreply.github.com>

Author: azure-sdk

eng/common/scripts/Test-SampleMetadata.ps1

@@ -247,6 +247,7 @@ begin {
         "azure-network-watcher",
         "azure-notebooks",
         "azure-notification-hubs",
+        "azure-openai",
         "azure-open-datasets",
         "azure-personalizer",
         "azure-pipelines",