Changes to Create a Recipient

added the new optional request property oneOf[#/components/schemas/WebhookRecipient]/allOf[subschema #3]/details/webhook_payloads/payload_templates/anomaly

added pagerduty email slack webhook msteams msteams_workflow mapping keys to the request discriminator

added pagerduty email slack webhook msteams msteams_workflow mapping keys to the response discriminator for the response status 201

added the optional property oneOf[#/components/schemas/WebhookRecipient]/allOf[subschema #3]/details/webhook_payloads/payload_templates/anomaly to the response with the 201 status