Field 'time' on type 'Envelope' is older than the allowed min date

Proxy aad logs show this error when pushing metrics to azure monitor via aad-proxy
This error is not present in `[0.1.0-main-01-10-2024-08b31473](https://github.com/Azure/aad-auth-proxy/releases/tag/0.1.0-main-01-10-2024-08b31473)` release where as its present in latest release

```
time="2024-07-25T21:34:03Z" level=error msg="Error response body: {\"itemsReceived\":1024,\"itemsAccepted\":0,\"appId\":null,\"errors\":[{\"index\":0,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":1,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":2,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":3,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":4,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":5,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":6,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":7,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":8,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"},{\"index\":9,\"statusCode\":400,\"message\":\"103: Field 'time' on type 'Envelope' is older than the allowed min date. Expected: now - 172800000ms\"}
```