Update package.json (#21)

Author: MosheMaorKaltura

package.json

@@ -79,7 +79,7 @@
   "kaltura": {
     "name": "call-to-action",
     "dependencies": {
-      "playkit-ui-managers": "1.5.4"
+      "playkit-ui-managers": "1.5.6"
     }
   }
 }