add bigint serialization

backend/windmill-worker/src/worker.rs

@@ -1507,6 +1507,10 @@ const args = await Deno.readTextFile("args.json")
     .then(JSON.parse)
     .then(({{ {spread} }}) => [ {spread} ])
 
+BigInt.prototype.toJSON = function () {{
+    return this.toString();
+}};
+
 {dates}
 async function run() {{
     let res: any = await main(...args);