doc: fix CHANGELOG.md formatting

Fix typo for line break tag.

PR-URL: nodejs#39223
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

CHANGELOG.md

@@ -41,7 +41,7 @@ release.
     </td>
     <td valign="top">
 <b><a href="doc/changelogs/CHANGELOG_V14.md#14.17.2">14.17.2</a></b><br/>
-<a href="doc/changelogs/CHANGELOG_V14.md#14.17.1">14.17.1</a></b>
+<a href="doc/changelogs/CHANGELOG_V14.md#14.17.1">14.17.1</a><br/>
 <a href="doc/changelogs/CHANGELOG_V14.md#14.17.0">14.17.0</a><br/>
 <a href="doc/changelogs/CHANGELOG_V14.md#14.16.1">14.16.1</a><br/>
 <a href="doc/changelogs/CHANGELOG_V14.md#14.16.0">14.16.0</a><br/>
@@ -71,7 +71,7 @@ release.
     </td>
     <td valign="top">
 <b><a href="doc/changelogs/CHANGELOG_V12.md#12.22.2">12.22.2</a></b><br/>
-<a href="doc/changelogs/CHANGELOG_V12.md#12.22.1">12.22.1</a></b>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.1">12.22.1</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.22.0">12.22.0</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.21.0">12.21.0</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.20.2">12.20.2</a><br/>