bump 2.5.12 for bugfix

Author: snewcomer

assets/package-lock.json

@@ -13,7 +13,7 @@
     "test.watch": "jest --watch"
   },
   "dependencies": {
-    "morphdom": "2.5.11",
+    "morphdom": "2.5.12",
     "phoenix_html": "file:../deps/phoenix_html"
   },
   "devDependencies": {