Update dependency ts-jest to ^29.4.2

Author: elastic-renovate-prod[bot]

package-lock.json

@@ -13,7 +13,7 @@
     "jest": "^29.7.0",
     "openai": "^4.85.4",
     "prettier": "^3.5.3",
-    "ts-jest": "^29.2.6",
+    "ts-jest": "^29.4.2",
     "ts-node": "^10.9.2",
     "typescript": "^5.7.3"
   },