Replace favicons-webpack-plugin to webapp-webpack-plugin

package.json

@@ -20,7 +20,6 @@
     "eslint-loader": "^2.2.1",
     "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-vue": "^5.2.3",
-    "favicons-webpack-plugin": "0.0.9",
     "file-loader": "^4.1.0",
     "html-loader": "^0.5.5",
     "html-webpack-plugin": "^3.2.0",
@@ -37,6 +36,7 @@
     "vue": "^2.6.10",
     "vue-loader": "^15.7.1",
     "vue-template-compiler": "^2.6.10",
+    "webapp-webpack-plugin": "^2.7.1",
     "webpack": "^4.36.1",
     "webpack-cli": "^3.3.6",
     "webpack-dev-server": "^3.7.2",