fix: fast-json-stringify do not support replacer

Author: tduyng

src/json_schema.ts

@@ -1,4 +1,4 @@
-const fastJson = require('fast-json-stringify')
+import fastJson from 'fast-json-stringify'
 
 const logSchema = {
     title: 'Log',

src/output_utils.ts

@@ -26,7 +26,7 @@ export const stringifyLog = (log: Record<string, unknown>): string => {
     try {
         return fastStringifyLog(log)
     } catch (e) {
-        return fastStringifyLog(log, getCircularReplacer())
+        return JSON.stringify(log, getCircularReplacer())
     }
 }