bump engines.node to >=20.19.0 for eslint v10 compatibility

Co-authored-by: mikeharder <9459391+mikeharder@users.noreply.github.com>

Author: Copilot

package.json

@@ -55,7 +55,7 @@
     "superagent": "^10.2.3"
   },
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=20.19.0"
   },
   "files": [
     "dist/lib",