Add @types/jest to devDependencies for improved TypeScript support

Author: starichkov

package-lock.json

@@ -25,6 +25,7 @@
     "nano": "^10.1.4"
   },
   "devDependencies": {
+    "@types/jest": "^29.5.14",
     "jest": "^29.7.0",
     "supertest": "^6.3.4",
     "testcontainers": "^10.7.1"