chore: update deps

Author: Guillaume Chau

package.json

@@ -31,7 +31,7 @@
     "clipboardy": "^1.2.3",
     "compression": "^1.7.3",
     "cross-env": "^5.2.0",
-    "express": "^4.16.3",
+    "express": "^4.16.4",
     "fs-extra": "^7.0.0",
     "hash-sum": "^1.0.2",
     "loader-utils": "^1.1.0",
@@ -41,8 +41,8 @@
     "querystring": "^0.2.0",
     "rimraf": "^2.6.2",
     "serve-favicon": "^2.5.0",
-    "webpack-dev-middleware": "^3.2.0",
-    "webpack-hot-middleware": "^2.22.3",
+    "webpack-dev-middleware": "^3.4.0",
+    "webpack-hot-middleware": "^2.24.3",
     "webpack-merge": "^4.1.4",
     "webpack-node-externals": "^1.7.2",
     "webpackbar": "^2.6.3"