Add API key auth via the header `Authorization: Bearer <key>`#33516

dargilco merged 2 commits intofeature/azure-ai-projects-1dpAzure/azure-rest-api-specs:feature/azure-ai-projects-1dpfrom

dargilco/key-authorizationAzure/azure-rest-api-specs:dargilco/key-authorizationCopy head branch name to clipboard