doc: fix Node.js 23 column in CHANGELOG.md

The column for Node.js 23 in `CHANGELOG.md` is missing an opening
`<td>` tag so was not correctly rendering.

PR-URL: nodejs#55935
Reviewed-By: Yagiz Nizipli <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>
Reviewed-By: Jason Zhang <[email protected]>
Reviewed-By: LiviaMedeiros <[email protected]>
Reviewed-By: Marco Ippolito <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

Author: richardlau

CHANGELOG.md

@@ -38,6 +38,7 @@ release.
   <th title="LTS Until 2025-04"><a href="doc/changelogs/CHANGELOG_V18.md">18</a> (LTS)</th>
 </tr>
 <tr>
+  <td valign="top">
 <b><a href="doc/changelogs/CHANGELOG_V23.md#23.3.0">23.3.0</a></b><br/>
 <a href="doc/changelogs/CHANGELOG_V23.md#23.2.0">23.2.0</a><br/>
 <a href="doc/changelogs/CHANGELOG_V23.md#23.1.0">23.1.0</a><br/>