chore: bump engines.node to >=24

All CI workflows and local dev already require Node 24.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Signed-off-by: Jared Scott <jared.scott@datarecce.io>

Author: 2 people

js/package.json

@@ -6,7 +6,7 @@
     "packages/*"
   ],
   "engines": {
-    "node": ">=20"
+    "node": ">=24"
   },
   "packageManager": "pnpm@10.30.3+sha512.c961d1e0a2d8e354ecaa5166b822516668b7f44cb5bd95122d590dd81922f606f5473b6d23ec4a5be05e7fcd18e8488d47d978bbe981872f1145d06e9a740017",
   "scripts": {