chore(package): update rollup-plugin-node-resolve to version 5.0.4

Closes #16

Author: greenkeeper[bot]

package.json

@@ -92,7 +92,7 @@
     "rollup": "^0.68.0",
     "rollup-plugin-commonjs": "^9.1.8",
     "rollup-plugin-json": "^3.1.0",
-    "rollup-plugin-node-resolve": "^4.0.0",
+    "rollup-plugin-node-resolve": "^5.0.4",
     "rollup-plugin-sourcemaps": "^0.4.2",
     "rollup-plugin-typescript2": "^0.19.0",
     "semantic-release": "^15.12.0",