Update dev dependencies for avoiding warning

Author: wwayne

package-lock.json

@@ -74,19 +74,19 @@
     "chai": "^3.5.0",
     "chai-enzyme": "^0.5.0",
     "commitizen": "2.9.6",
-    "cz-conventional-changelog": "2.1.0",
     "concurrently": "^2.1.0",
+    "cz-conventional-changelog": "2.1.0",
     "enzyme": "^2.3.0",
     "enzyme-adapter-react-16": "^1.0.1",
     "gh-pages": "1.1.0",
     "github-changes": "^1.1.2",
     "http-server": "^0.11.1",
     "jsdom": "^9.2.1",
-    "mocha": "^2.5.3",
+    "mocha": "^5.2.0",
     "node-sass": "^3.7.0",
     "react": "^16.1.1",
-    "react-dom": "^16.1.1",
     "react-addons-test-utils": "^15.1.0",
+    "react-dom": "^16.1.1",
     "semantic-release": "15.1.5",
     "sinon": "^1.17.4",
     "snazzy": "^2.0.1",