Drupal 11 compatibility fixes
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3535015. -->
Reported by: [andras_szilagyi](https://www.drupal.org/user/1217938)
Related to !12
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<ol>
<li>Add .gitlab-ci.yml</li>
<li>Remove travis</li>
<li>Fix reported issues after adding .gitlab-ci.yml</li>
<li>Make module compatible with version ^2|^3 drupal/cas</li>
</ol>
issue