Plannerd: higher upper bound cost for lateral planner (#28352)

20k not good upper bound for 10s
old-commit-hash: cbd3e5b94685220f78297786e6a121e1165946b1

selfdrive/controls/lib/lateral_planner.py

@@ -112,7 +112,7 @@ class LateralPlanner:
         self.last_cloudlog_t = t
         cloudlog.warning("Lateral mpc - nan: True")
 
-    if self.lat_mpc.cost > 20000. or mpc_nans:
+    if self.lat_mpc.cost > 1e6 or mpc_nans:
       self.solution_invalid_cnt += 1
     else:
       self.solution_invalid_cnt = 0