Merge pull request #194 from codeandcats/dependabot/npm_and_yarn/ts-jest-25.4.0

Author: dependabot-preview[bot]

package-lock.json

@@ -60,7 +60,7 @@
     "jest-helpers": "3.1.1",
     "rimraf": "3.0.2",
     "standard-version": "7.1.0",
-    "ts-jest": "25.3.1",
+    "ts-jest": "25.4.0",
     "ts-loader": "6.2.2",
     "ts-node": "8.8.2",
     "tslint": "6.1.1",