update seattle marathon 2025 route

Author: ztatlock

_data/schedules/25-autumn.yml

@@ -86,7 +86,7 @@
 - date: "2025-11-30"
   plan:
     - time: "7:00"
-      route_id: 2025-seattle-marathon-v1
+      route_id: 2025-seattle-marathon-v2
     - time: "7:30"
       route_id: 2025-seattle-half-marathon
       notes: "https://www.seattlemarathon.org/"