chore(dependencies): fix dependencies

Author: christianalfoni

package.json

@@ -65,11 +65,12 @@
     "ts-jest": "23.0.0",
     "ts-loader": "4.4.2",
     "tslib": "1.9.3",
-    "typescript": "^2.9.2",
+    "typescript": "2.9.2",
     "typescript-eslint-parser": "^16.0.1",
     "webpack": "4.15.1",
     "webpack-cli": "3.0.8",
-    "webpack-dev-server": "^3.1.4"
+    "webpack-dev-server": "^3.1.4",
+    "url-loader": "1.0.1"
   },
   "lint-staged": {
     "*.{js,ts,tsx}": [