ISTWCMS-2273 use dev-8.x-2.x-beta1-uw_wcms fo imagemagick to ensure animated gifs work

composer.json

@@ -46,7 +46,7 @@
         "drupal/file_mdm": "dev-8.x-1.x",
         "drupal/focal_point": "dev-8.x-1.x",
         "drupal/imageapi_optimize": "dev-8.x-2.x",
-        "drupal/imagemagick": "dev-8.x-2.x",
+        "drupal/imagemagick": "dev-8.x-2.x-beta1-uw_wcms",
         "drupal/imce": "dev-8.x-1.x",
         "drupal/inline_entity_form": "dev-8.x-1.x",
         "drupal/label_help": "dev-8.x-1.x",