Update dependency @webcomponents/custom-elements to v1.4.1

package-lock.json

@@ -1556,9 +1556,9 @@
       }
     },
     "@webcomponents/custom-elements": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/@webcomponents/custom-elements/-/custom-elements-1.2.4.tgz",
-      "integrity": "sha512-WiTlgz6/kuwajYIcgyq64rSlCtb2AvbxwwrExP3wr6rKbJ72I3hi/sb4KdGUumfC+isDn2F0btZGk4MnWpyO1Q==",
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/@webcomponents/custom-elements/-/custom-elements-1.4.1.tgz",
+      "integrity": "sha512-vNCS1+3sxJOpoIsBjUQiXjGLngakEAGOD5Ale+6ikg6OZG5qI5O39frm3raPhud/IwnF4vec5ags05YBsgzcuA==",
       "dev": true
     },
     "@webpack-cli/serve": {

package.json

@@ -19,7 +19,7 @@
     "@types/node": "10.14.15",
     "@types/pretty-bytes": "5.1.0",
     "@types/webassembly-js-api": "0.0.3",
-    "@webcomponents/custom-elements": "1.2.4",
+    "@webcomponents/custom-elements": "1.4.1",
     "@webpack-cli/serve": "0.1.8",
     "assets-webpack-plugin": "3.9.10",
     "chalk": "2.4.2",