chore(package): update ts-jest to version 24.0.2

Closes #19

Author: greenkeeper[bot]

package.json

@@ -28,7 +28,7 @@
     "husky": "^1.1.2",
     "jest": "^23.6.0",
     "semantic-release": "^15.9.17",
-    "ts-jest": "^23.10.4",
+    "ts-jest": "^24.0.2",
     "tslint": "^5.11.0",
     "tslint-microsoft-contrib": "^5.2.1",
     "typescript": "^3.1.3",