chore(package): update react-test-renderer to version 16.3.0 (#65)

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "jest": "^22.4.2",
     "prettier": "^1.7.0",
     "prettier-eslint": "^8.2.1",
-    "react-test-renderer": "16.2.0",
+    "react-test-renderer": "16.3.0",
     "ts-jest": "^22.4.1",
     "tslint": "^5.9.1",
     "typescript": "^2.7.2"