Update jest-junit to the latest version 🚀 (#47)

* chore(package): update jest-junit to version 9.0.0

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "jest": "^24.1.0",
     "jest-extended": "^0.11.1",
     "jest-haste-map": "^24.5.0",
-    "jest-junit": "^8.0.0",
+    "jest-junit": "^9.0.0",
     "stdout-stderr": "^0.1.9"
   },
   "engines": {