chore(deps): update dependency @webcomponents/shadydom to v1.3.0

Author: renovate-bot

package-lock.json

@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@webcomponents/custom-elements": "1.2.1",
-    "@webcomponents/shadydom": "1.0.14",
+    "@webcomponents/shadydom": "1.3.0",
     "electron": "2.0.13",
     "semantic-release": "15.1.7"
   },