chore(deps): pin dependencies (#1705)

Author: renovate[bot]

package-lock.json

@@ -58,39 +58,39 @@
     "yargs": "12.0.5"
   },
   "devDependencies": {
-    "@babel/cli": "^7.2.3",
-    "@babel/core": "^7.2.2",
-    "@babel/preset-env": "^7.3.1",
-    "babel-loader": "^8.0.5",
-    "copy-webpack-plugin": "^5.0.0",
-    "css-loader": "^2.1.0",
-    "eslint": "^5.4.0",
-    "eslint-config-prettier": "^4.0.0",
-    "eslint-config-webpack": "^1.2.5",
-    "eslint-plugin-import": "^2.9.0",
-    "eslint-plugin-prettier": "^3.0.1",
-    "execa": "^1.0.0",
-    "file-loader": "^3.0.1",
-    "html-loader": "^0.5.5",
-    "html-webpack-plugin": "^3.0.6",
-    "husky": "^1.3.1",
-    "jest": "^24.3.1",
-    "jquery": "^3.2.1",
-    "less": "^3.7.1",
-    "less-loader": "^4.1.0",
-    "lint-staged": "^8.1.1",
-    "marked": "^0.6.1",
-    "nyc": "^13.3.0",
-    "prettier": "^1.16.3",
-    "puppeteer": "^1.12.2",
-    "rimraf": "^2.6.2",
-    "standard-version": "^5.0.0",
-    "style-loader": "^0.23.1",
-    "supertest": "^3.0.0",
-    "url-loader": "^1.1.1",
-    "webpack": "^4.29.6",
-    "webpack-cli": "^3.3.0",
-    "ws": "^6.0.0"
+    "@babel/cli": "7.2.3",
+    "@babel/core": "7.3.3",
+    "@babel/preset-env": "7.3.1",
+    "babel-loader": "8.0.5",
+    "copy-webpack-plugin": "5.0.0",
+    "css-loader": "2.1.0",
+    "eslint": "5.14.1",
+    "eslint-config-prettier": "4.0.0",
+    "eslint-config-webpack": "1.2.5",
+    "eslint-plugin-import": "2.16.0",
+    "eslint-plugin-prettier": "3.0.1",
+    "execa": "1.0.0",
+    "file-loader": "3.0.1",
+    "html-loader": "0.5.5",
+    "html-webpack-plugin": "3.2.0",
+    "husky": "1.3.1",
+    "jest": "24.3.1",
+    "jquery": "3.3.1",
+    "less": "3.9.0",
+    "less-loader": "4.1.0",
+    "lint-staged": "8.1.4",
+    "marked": "0.6.1",
+    "nyc": "13.3.0",
+    "prettier": "1.16.4",
+    "puppeteer": "1.12.2",
+    "rimraf": "2.6.3",
+    "standard-version": "5.0.0",
+    "style-loader": "0.23.1",
+    "supertest": "3.4.2",
+    "url-loader": "1.1.2",
+    "webpack": "4.29.6",
+    "webpack-cli": "3.3.0",
+    "ws": "6.1.4"
   },
   "peerDependencies": {
     "webpack": "^4.0.0"