introspection query error
### Issue Description

[ Error definition ] 
The playground fails to process an introspection query.
![Pasted Graphic](https://github.com/user-attachments/assets/b4391715-7e5d-47be-8cf7-820e9ef0e717)

[ Situation Description ] 
- Run playground, via localhost:8080/graphql.
- The introspectionQuery fails (explained later). 

- http://localhost:8080/graphql [ post, 200 OK / but errors ] 
request payload: { 		
  operationName : "IntrospectionQuery"
  query:  "\n    query IntrospectionQuery {\n …. “ }

-->>>> ressponse

```
"errors": [
        {
            "message": "Unable to serialize value '2024-08-19T10:01:22.543Z' as it's not an instance of 'Date'",
            "locations": [
                {
                    "line": 61,
                    "column": 7
                }
            ],
            "path": [
                "__schema",
                "types",
                511,
                "inputFields",
                3,
                "defaultValue"
            ],
            "extensions": {
                "code": "INTERNAL_SERVER_ERROR",
                "stacktrace": [
                    "Error: Unable to serialize value '2024-08-19T10:01:22.543Z' as it's not an instance of 'Date'",
                    "    at GraphQLScalarType.serialize (/Users/hychoi/dev/sirloin/sirloin-commerce-admin-server/node_modules/type-graphql/dist/scalars/isodate.js:18:19)",
                    "    at astFromValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/utilities/astFromValue.js:123:29)",
                    "    at astFromValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/utilities/astFromValue.js:45:22)",
                    "    at astFromValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/utilities/astFromValue.js:100:26)",
                    "    at astFromValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/utilities/astFromValue.js:45:22)",
                    "    at resolve (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/type/introspection.js:454:57)",
                    "    at executeField (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:481:20)",
                    "    at executeFields (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:413:20)",
                    "    at completeObjectValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:914:10)",
                    "    at completeValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:635:12)",
                    "    at completeValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:584:23)",
                    "    at /Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:696:25",
                    "    at Function.from (<anonymous>)",
                    "    at completeListValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:676:34)",
                    "    at completeValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:607:12)",
                    "    at executeField (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:489:19)",
                    "    at executeFields (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:413:20)",
                    "    at completeObjectValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:914:10)",
                    "    at completeValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:635:12)",
                    "    at completeValue (/Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:584:23)",
                    "    at /Users/hychoi/dev/company/company-commerce-admin-server/node_modules/graphql/execution/execute.js:696:25",
                    "    at Function.from (<anonymous>)"
                ]
            }
        },

```


[ My environment ] 
- node v18.16.0
 
- NODE_ENV = dev 
- ApolloClient Server Option 
- "dependencies": {
  "@apollo/server": "^4.7.3",
  "@aws-sdk/client-cloudfront": "^3.186.0",
  "@aws-sdk/client-s3": "^3.44.0",
  "@azure/arm-cdn": "^8.0.0",
  "@azure/identity": "^3.2.3",
  "@azure/storage-blob": "^12.14.0",
  "@typegoose/typegoose": "^9.12.1",
  "@types/amqplib": "^0.8.2",
  "@types/bcryptjs": "^2.4.2",
  "@types/cookie-parser": "^1.4.2",
  "@types/node-fetch": "^2.6.1",
  "@types/nodemailer": "^6.4.15",
  "amqplib": "^0.8.0",
  "bcryptjs": "^2.4.3",
  "class-validator": "^0.13.2",
  "compression": "^1.7.4",
  "cookie-parser": "^1.4.6",
  "danfojs-node": "^1.1.2",
  "date-fns": "^2.30.0",
  "dotenv": "^16.3.1",
  "exceljs": "^4.3.0",
  "express": "^4.17.1",
  "express-jwt": "^6.1.0",
  "graphql": "^16.6.0",
  "graphql-tag": "^2.12.6",
  "graphql-upload": "^13.0.0",
  "inversify": "^6.0.1",
  "jsonwebtoken": "^8.5.1",
  "mongoose": "^6.2.10",
  "nodemailer": "^6.9.13",
  "reflect-metadata": "^0.1.13",
  "strftime": "^0.10.2",
  "type-graphql": "^2.0.0-beta.1",
  "uuid": "^9.0.0",
  "winston": "^3.5.1"
}

[ specialty ] 
- On the playground network tab, the following error is output. 


[ Desired Direction ]
- If you have encountered this error, please share about it.
- Any advice on which side I should look at

Translated with DeepL.com (free version)

thank U

### Link to Reproduction


### Reproduction Steps

_No response_