### Description

The current length limit for the `login` parameter in an HTTP connection is 500 characters. It'd be nice if this was 5000 characters like the `password` parameter.

### Use case/motivation

We've run into an issue with an API we need to integrate with. It uses basic HTTP authentication, and both username and password are about 900 characters long each. We don't have any control over this API, so we cannot change the authentication method, nor the length of these usernames and passwords.

### Related issues

_No response_

### Are you willing to submit a PR?

- [X] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

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from __future__ import annotations
import json
import logging
import warnings
from json import JSONDecodeError
from typing import Any
from urllib.parse import parse_qsl, quote, unquote, urlencode, urlsplit
from sqlalchemy import Boolean, Column, Integer, String, Text
from sqlalchemy.orm import declared_attr, reconstructor, synonym
from airflow.configuration import ensure_secrets_loaded
from airflow.exceptions import AirflowException, AirflowNotFoundException, RemovedInAirflow3Warning
from airflow.models.base import ID_LEN, Base
from airflow.models.crypto import get_fernet
from airflow.secrets.cache import SecretCache
from airflow.utils.log.logging_mixin import LoggingMixin
from airflow.utils.log.secrets_masker import mask_secret
from airflow.utils.module_loading import import_string
log = logging.getLogger(__name__)
def parse_netloc_to_hostname(*args, **kwargs):