chore(deps): update dependency jest to v22.2.1 (#169)

Author: renovate[bot]

package.json

@@ -99,7 +99,7 @@
     "eslint-config-prettier": "2.9.0",
     "eslint-plugin-react": "7.6.1",
     "husky": "0.14.3",
-    "jest": "22.1.4",
+    "jest": "22.2.1",
     "lint-staged": "6.1.0",
     "markdownlint-cli": "0.7.1",
     "opn": "5.2.0",