chore: update Node.js engine requirement to >=20 (#167)

cetfu · cortinico · commit 5a3689507477 · 2025-08-12T20:40:52.000Z
diff --git a/template/package.json b/template/package.json
@@ -36,6 +36,6 @@
     "typescript": "^5.8.3"
   },
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   }
 }
