⬆️ Upgrade dependencies

package.json

@@ -58,15 +58,15 @@
   "devDependencies": {
     "@types/chai": "^4.0.3",
     "@types/copy-webpack-plugin": "^4.0.0",
-    "@types/extract-text-webpack-plugin": "^2.1.0",
+    "@types/extract-text-webpack-plugin": "^3.0.0",
     "@types/mocha": "^2.2.41",
-    "@types/node": "6",
+    "@types/node": "8",
     "@types/string-similarity": "^1.2.0",
     "@types/webpack": "^3.0.8",
     "autoprefixer": "^7.1.2",
     "avoriaz": "^3.2.0",
     "babel-core": "^6.25.0",
-    "babel-eslint": "^7.2.3",
+    "babel-eslint": "^8.0.1",
     "babel-loader": "^7.1.1",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
@@ -87,7 +87,7 @@
     "karma-mocha-reporter": "^2.2.3",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^2.0.4",
-    "mocha": "^3.5.0",
+    "mocha": "^4.0.1",
     "node-sass": "^4.5.3",
     "npm-run-all": "^4.0.2",
     "poi": "^9.2.4",
@@ -96,7 +96,7 @@
     "pug": "^2.0.0-rc.3",
     "rimraf": "^2.6.1",
     "sass-loader": "^6.0.6",
-    "style-loader": "^0.18.2",
+    "style-loader": "^0.19.0",
     "ts-loader": "^2.3.2",
     "ts-node": "^3.3.0",
     "tslint": "^5.6.0",
@@ -107,7 +107,7 @@
     "vue-loader": "^13.0.4",
     "vue-property-decorator": "^5.2.1",
     "vue-template-compiler": "^2.4.2",
-    "webpack": "^3.5.4",
+    "webpack": "^3.7.1",
     "webpack-merge": "^4.1.0"
   },
   "dependencies": {