fix: add EOL

Author: zrosenbauer

packages/openapi-typescript/src/transform/schema-object.ts

@@ -588,4 +588,4 @@ function transformSchemaObjectCore(schemaObject: SchemaObject, options: Transfor
  */
 function hasKey<K extends string>(possibleObject: unknown, key: K): possibleObject is { [key in K]: unknown } {
   return typeof possibleObject === 'object' && possibleObject !== null && key in possibleObject;
-}
+}