Replace RendererInterface::renderPlain() with RendererInterface::renderInIsolation()
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3448933. -->
Reported by: [mstrelan](https://www.drupal.org/user/314289)
>>>
<h2>Drupal version</h2>
<p>10.3.x</p>
<h2>Drupal Rector version</h2>
<h2>Problem / Motivation</h2>
<p><a href="https://www.drupal.org/node/3407994">RendererInterface::renderPlain() is deprecated in favour of ::renderInIsolation()</a></p>
issue