Bump playground web dependencies

playground/package.json

@@ -10,8 +10,8 @@
   },
   "dependencies": {
     "@microsoft/tsdoc": "0.9.3",
-    "@types/react": "16.4.16",
-    "@types/react-dom": "16.0.8",
+    "@types/react": "16.4.18",
+    "@types/react-dom": "16.0.9",
     "promise": "8.0.1",
     "monaco-editor": "0.14.3",
     "tslib": "1.9.3"
@@ -20,24 +20,24 @@
     "@microsoft/set-webpack-public-path-plugin": "~2.1.16",
     "@types/webpack-env": "~1.13.6",
     "clean-webpack-plugin": "~0.1.19",
-    "css-loader": "~0.28.11",
-    "file-loader": "~1.1.11",
-    "fork-ts-checker-webpack-plugin": "0.4.10",
+    "css-loader": "~1.0.0",
+    "file-loader": "~2.0.0",
+    "fork-ts-checker-webpack-plugin": "0.4.12",
     "handlebars": "4.0.12",
     "handlebars-loader": "1.7.0",
     "html-webpack-plugin": "~3.2.0",
-    "node-sass": "~4.9.3",
+    "node-sass": "~4.9.4",
     "raw-loader": "~0.5.1",
     "sass-loader": "~7.1.0",
-    "style-loader": "~0.22.1",
-    "ts-loader": "5.2.1",
+    "style-loader": "~0.23.1",
+    "ts-loader": "5.2.2",
     "tslint": "~5.11.0",
     "tslint-loader": "~3.6.0",
     "tslint-microsoft-contrib": "~5.2.1",
     "typescript": "~3.1.2",
-    "webpack": "~4.20.2",
-    "webpack-bundle-analyzer": "~2.13.1",
-    "webpack-cli": "~3.0.3",
-    "webpack-dev-server": "~3.1.4"
+    "webpack": "~4.23.1",
+    "webpack-bundle-analyzer": "~3.0.3",
+    "webpack-cli": "~3.1.2",
+    "webpack-dev-server": "~3.1.10"
   }
 }