Bump ts-jest to match Jest version

Author: wimpyprogrammer

package.json

@@ -66,7 +66,7 @@
     "regenerator-runtime": "^0.13.3",
     "regex-to-strings": "^1.0.0",
     "rimraf": "^2.6.2",
-    "ts-jest": "^24.1.0",
+    "ts-jest": "^26.4.4",
     "ts-loader": "^6.1.0",
     "typescript": "^3.6.3",
     "webpack": "^4.17.2",