build: bump jest from 22.3.0 to 22.4.2

Bumps [jest](https://github.com/facebook/jest) from 22.3.0 to 22.4.2.
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v22.3.0...v22.4.2)

Author: dependabot-support

package.json

@@ -197,7 +197,7 @@
     "html-webpack-plugin": "^2.29.0",
     "husky": "^0.14.3",
     "identity-obj-proxy": "^3.0.0",
-    "jest": "^22.3.0",
+    "jest": "^22.4.2",
     "jest-enzyme": "^4.2.0",
     "jest-localstorage-mock": "^2.2.0",
     "lint-staged": "^6.1.0",