chore(package): update dev dependencies to latest version

Author: tiagoschenkel

package.json

@@ -80,7 +80,7 @@
     "karma-chai": "^0.1.0",
     "karma-chai-sinon": "^0.1.5",
     "karma-chrome-launcher": "^2.2.0",
-    "karma-coverage-istanbul-reporter": "^2.0.0",
+    "karma-coverage-istanbul-reporter": "^2.0.1",
     "karma-es6-shim": "^1.0.0",
     "karma-mocha": "^1.3.0",
     "karma-mocha-reporter": "^2.2.5",
@@ -97,17 +97,17 @@
     "reflect-metadata": "^0.1.12",
     "remap-istanbul": "^0.11.1",
     "rimraf": "^2.6.2",
-    "sinon": "^5.0.7",
-    "sinon-chai": "^3.0.0",
+    "sinon": "^5.0.10",
+    "sinon-chai": "^3.1.0",
     "source-map-support": "^0.5.6",
     "ts-loader": "^4.3.0",
-    "ts-node": "^6.0.3",
+    "ts-node": "^6.0.5",
     "tslint": "^5.10.0",
     "tslint-config-prettier": "^1.13.0",
     "typescript": "^2.8.3",
     "uglifyjs-webpack-plugin": "^1.2.5",
-    "webpack": "^4.8.3",
-    "webpack-cli": "^2.1.3",
+    "webpack": "^4.9.1",
+    "webpack-cli": "^2.1.4",
     "webpack-dev-server": "^3.1.4"
   }
 }