Update dependency webpack to v4.41.2 (#20)

Author: renovate[bot]

package-lock.json

@@ -83,7 +83,7 @@
     "terser-webpack-plugin": "1.4.1",
     "ts-pnp": "1.1.4",
     "url-loader": "2.1.0",
-    "webpack": "4.41.0",
+    "webpack": "4.41.2",
     "webpack-dev-server": "3.2.1",
     "webpack-manifest-plugin": "2.1.1",
     "workbox-webpack-plugin": "4.3.1"