Replace calls to deprecated function drupal_set_message with calls to the messenger service
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #2931217. -->
Reported by: [martin107](https://www.drupal.org/user/2659379)
>>>
<p>Drupal 8.5.x has introduced a new messenger service.</p>
<p>recently drupal_set_message() has been deprecated </p>
<p><span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/drupal/issues/2760167" title="Status: Closed (fixed)">#2760167: Add \Drupal\Core\Messenger\Messenger</a></span> - and continual maintenance patches are better than a single monster patch.</p>
> Related issue: [Issue #3042575](https://www.drupal.org/node/3042575)
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