pip installation fails due to latest lxml==5.2.1 release

## Driver version
2.1.0

## Redshift version
1.0.63269

## Client Operating System
Amazon Linux 2

## Python version
3.7

## Table schema
None

## Problem description
pip package installation fails due to latest lxml==5.2.1 release

## Python Driver trace logs

## Reproduction code
pip3 install redshift-connector

Start by reproducing the failure with `pip3 install redshift-connector` under Python 3.7 on Amazon Linux 2, then inspect the dependency metadata related to lxml 5.2.1. No source file or test is named; the issue is done when installation succeeds in the reported environment without the lxml release causing the failure.

索引モデルが issue の本文から書いたものです。