chore(package): update @types/jest to version 24.0.25

Closes #24

Author: greenkeeper[bot]

package.json

@@ -58,7 +58,7 @@
     "@angular/platform-server": "^7.2.15",
     "@compodoc/gulp-compodoc": "^0.0.10",
     "@types/jasmine": "^3.3.13",
-    "@types/jest": "^23.3.10",
+    "@types/jest": "^24.0.25",
     "@types/lodash": "^4.14.134",
     "@types/node": "^10.14.8",
     "angular-cli-ghpages": "^0.5.3",