chore(package): update typescript-lit-html-plugin to version 0.4.1

Closes #8

Author: greenkeeper[bot]

package.json

@@ -31,7 +31,7 @@
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-typescript2": "^0.12.0",
     "typescript": "^2.8.1",
-    "typescript-lit-html-plugin": "^0.2.0"
+    "typescript-lit-html-plugin": "^0.4.1"
   },
   "scripts": {
     "build": "NODE_ENV=production rollup -c",