updated major version link_attributes

composer.json

@@ -47,7 +47,7 @@
     "drupal/imagemagick": "^3.1",
     "drupal/inline_entity_form": "^3.0@RC",
     "drupal/linkit": "^6.0@beta",
-    "drupal/link_attributes": "^1.5",
+    "drupal/link_attributes": "^2.1",
     "drupal/login_destination": "2.x-dev@dev",
     "drupal/maillog": "1.x-dev",
     "drupal/matomo": "^1.7",