ISTWCMS-5054 Update cancel_button to 1.2-uw_wcms1

composer.json

@@ -20,7 +20,7 @@
         "drupal/autocomplete_deluxe": "2.0.0",
         "drupal/better_exposed_filters": "5.0-beta3",
         "drupal/block_list_override": "1.0.1",
-        "drupal/cancel_button": "1.1",
+        "drupal/cancel_button": "dev-1.2-uw_wcms1",
         "drupal/captcha": "1.2",
         "drupal/ckeditorheight": "1.5",
         "drupal/components": "2.4",