chore(package): update jest to version 22.0.5

Closes #31

Author: greenkeeper[bot]

package.json

@@ -77,7 +77,7 @@
     "eslint-plugin-jsx-a11y": "^5.1.1",
     "eslint-plugin-prettier": "^2.2.0",
     "eslint-plugin-react": "^7.3.0",
-    "jest": "^21.1.0",
+    "jest": "^22.0.5",
     "micro-dev": "^1.2.3",
     "nock": "^9.0.14",
     "now": "^8.3.1",