chore: update webpack

package.json

@@ -41,12 +41,12 @@
     "enzyme-adapter-react-16": "1.14.0",
     "enzyme-to-json": "3.4.0",
     "eslint": "5.16.0",
-    "eslint-plugin-codeceptjs": "1.0.0",
-    "eslint-plugin-jsx-a11y": "6.2.1",
+    "eslint-plugin-codeceptjs": "1.1.0",
+    "eslint-plugin-jsx-a11y": "6.2.3",
     "eslint-plugin-prettier": "3.1.0",
     "eslint-plugin-react": "7.14.3",
     "eslint-plugin-verdaccio": "2.0.0",
-    "file-loader": "2.0.0",
+    "file-loader": "4.2.0",
     "friendly-errors-webpack-plugin": "1.7.0",
     "get-stdin": "6.0.0",
     "github-markdown-css": "3.0.1",
@@ -61,10 +61,10 @@
     "jest-environment-node": "24.8.0",
     "js-yaml": "3.13.1",
     "localstorage-memory": "1.0.3",
-    "mini-css-extract-plugin": "0.7.0",
+    "mini-css-extract-plugin": "0.8.0",
     "node-mocks-http": "1.7.6",
     "normalize.css": "8.0.1",
-    "optimize-css-assets-webpack-plugin": "5.0.1",
+    "optimize-css-assets-webpack-plugin": "5.0.3",
     "ora": "3.4.0",
     "prettier": "1.18.2",
     "prop-types": "15.7.2",
@@ -76,11 +76,11 @@
     "react-hot-loader": "4.12.10",
     "react-router": "5.0.1",
     "react-router-dom": "5.0.1",
-    "resolve-url-loader": "3.0.1",
+    "resolve-url-loader": "3.1.0",
     "rimraf": "2.6.3",
     "source-map-loader": "0.2.4",
     "standard-version": "7.0.0",
-    "style-loader": "0.23.1",
+    "style-loader": "1.0.0",
     "stylelint": "10.1.0",
     "stylelint-config-recommended": "2.2.0",
     "stylelint-config-styled-components": "0.1.1",
@@ -89,16 +89,17 @@
     "supertest": "4.0.2",
     "typeface-roboto": "0.0.75",
     "typescript": "3.5.3",
-    "url-loader": "1.1.2",
+    "uglifyjs-webpack-plugin": "2.2.0",
+    "url-loader": "2.1.0",
     "validator": "11.1.0",
     "verdaccio": "4.2.1",
     "verdaccio-auth-memory": "1.1.5",
     "verdaccio-memory": "2.0.0",
-    "webpack": "4.20.2",
-    "webpack-bundle-analyzer": "3.3.2",
+    "webpack": "4.39.1",
+    "webpack-bundle-analyzer": "3.4.1",
     "webpack-bundle-size-analyzer": "3.0.0",
     "webpack-cli": "3.3.6",
-    "webpack-dev-server": "3.7.2",
+    "webpack-dev-server": "3.8.0",
     "webpack-merge": "4.2.1",
     "whatwg-fetch": "3.0.0",
     "xss": "1.0.6"