chore(package): update babel-jest to version 22.0.6

Closes #21

Author: greenkeeper[bot]

package.json

@@ -15,7 +15,7 @@
     "@types/jest": "^19.2.2",
     "@types/react": "^15.0.0",
     "@types/react-dom": "^0.14.23",
-    "babel-jest": "^19.0.0",
+    "babel-jest": "^22.0.6",
     "babel-preset-es2015": "^6.24.0",
     "babel-preset-react": "^6.23.0",
     "codecov": "^2.1.0",