Update dependencies

package.json

@@ -5,16 +5,16 @@
     "build": "webpack -p"
   },
   "dependencies": {
-    "css-loader": "^0.28.11",
-    "file-loader": "^1.1.11",
+    "css-loader": "^2.1.1",
+    "file-loader": "^3.0.1",
     "jquery": "^3.3.1",
     "js-loader": "^0.1.1",
-    "materialize-css": "^0.100.2",
-    "resolve-url-loader": "^2.3.0",
-    "style-loader": "^0.21.0",
-    "url-loader": "^1.0.1",
-    "webpack": "^4.9.1",
-    "webpack-cli": "^2.1.4",
-    "webpack-dev-server": "^3.1.4"
+    "materialize-css": "^1.0.0",
+    "resolve-url-loader": "^3.0.1",
+    "style-loader": "^0.23.1",
+    "url-loader": "^1.1.2",
+    "webpack": "^4.29.6",
+    "webpack-cli": "^3.3.0",
+    "webpack-dev-server": "^3.2.1"
   }
 }