Changes to POST /api/openapi/integrations/:slug/config

added the optional property reason to the response with the 403 status

added the non-success response with the status 403

added the optional property retryable to the response with the 500 status

added the new optional request property authenticationTemplate/anyOf[subschema #1]/items/anyOf[subschema #1]/label

added the optional property authenticationTemplate/items/anyOf[subschema #1]/label to the response with the 200 status