Issue #3431839: Fix Drupal 11 compatibility issues.

Sets up the pipeline to run against previous minor and next major. Fixes potential compatibility issues with multiple Drupal versions.

js/maxlength.js

@@ -173,7 +173,7 @@
    */
   ml.strip_tags = function(input, allowed) {
     // Remove all newlines, spaces and tabs from the beginning and end of html.
-    input = $.trim(input);
+    input = input.trim();
     // Make sure line ending characters are unified.
     input = ml.unify_lineending(input);
     // Making sure the allowed arg is a string containing only tags in