Moving files from azure-rest-spec-pr to azure-rest-spec repo after api review#19878

weidongxu-microsoft merged 2 commits intomainAzure/azure-rest-api-specs:mainfrom

rbeckers/addCognitiveServicesOpenAIPreviewVersions2Azure/azure-rest-api-specs:rbeckers/addCognitiveServicesOpenAIPreviewVersions2Copy head branch name to clipboard