[n-data-table]:Update to latest version 2.34.0, column set align: 'center'，title alignment not working

[unrjjlmn20185]

TuSimple/naive-ui version (版本)

2.34.0

Vue version (Vue 版本)

3.2.45

Browser and its version (浏览器及其版本)

chrome(107.0.5304.107)

System and its version (系统及其版本)

windows 11

Node version (Node 版本)

16.15.1

Reappearance link (重现链接)

https://codesandbox.io/s/little-bash-96wj8n?file=/src/Demo.vue

Reappearance steps (重现步骤)

Set the column property alignment to center alignment

Expected results (期望的结果)

normal

Actual results (实际的结果)

invalid

Remarks (补充说明)

（Compared with the previous version, the title of the table has an extra layer of div）与之前的版本相比,表格的标题多了一层额外的div