chore(deps): update dependency webpack-dev-middleware to v5 [security]

Author: renovate[bot]

package.json

@@ -89,7 +89,7 @@
     "vue-template-compiler": "2.6.10",
     "webpack": "4.30.0",
     "webpack-cli": "^3.3.1",
-    "webpack-dev-middleware": "3.6.2",
+    "webpack-dev-middleware": "5.3.4",
     "webpack-hot-middleware": "2.24.4"
   }
 }