chore(package): update babel-jest to version 23.0.1

Closes #29

Author: greenkeeper[bot]

Diff for: package.json

@@ -43,7 +43,7 @@
     "@gramps/gramps": "^1.1.0",
     "babel-cli": "^6.24.1",
     "babel-eslint": "^8.0.3",
-    "babel-jest": "^22.0.4",
+    "babel-jest": "^23.0.1",
     "babel-plugin-inline-import": "^2.0.6",
     "babel-preset-env": "^1.6.1",
     "cpy-cli": "^1.0.1",