Update snippets.code-snippets

Just changing a duplicate json parse to stringify. Thanks for the repo

Author: RickRyan26

snippets/snippets.code-snippets

@@ -148,7 +148,7 @@
   },
   "JSON.stringify": {
     "prefix": "json stringify",
-    "body": ["let ${1:string} = JSON.parse(${2:obj});", "$0"],
+    "body": ["let ${1:string} = JSON.stringify(${2:obj});", "$0"],
     "description": "Convert a JavaScript object to a JSON string."
   }
 }