Upgrade TypeScript and related dependencies (#186)

Author: paulmelnikow

package-lock.json

@@ -46,7 +46,7 @@
     "@types/json-stable-stringify": "^1.0.34",
     "@types/lodash": "^4.14.182",
     "@types/mocha": "^10.0.10",
-    "@types/node": "^18.11.18",
+    "@types/node": "25.4.0",
     "@types/prettier": "^2.6.3",
     "@types/tmp": "^0.2.3",
     "@typescript-eslint/eslint-plugin": "^5.47.1",
@@ -67,8 +67,8 @@
     "shebang-trim": "^1.1.0",
     "tmp-promise": "^3.0.3",
     "ts-node": "^10.9.1",
-    "type-fest": "^3.5.0",
-    "typescript": "5.0.4"
+    "type-fest": "5.4.4",
+    "typescript": "5.9.3"
   },
   "engines": {
     "node": ">= 18.x"