test onroad: increase DM execution threshold instant max

selfdrive/test/test_onroad.py

@@ -206,7 +206,7 @@ class TestOnroad(unittest.TestCase):
     # TODO: this went up when plannerd cpu usage increased, why?
     cfgs = [
       ("modelV2", 0.038, 0.036),
-      ("driverState", 0.035, 0.026),
+      ("driverState", 0.050, 0.026),
     ]
     for (s, instant_max, avg_max) in cfgs:
       ts = [getattr(getattr(m, s), "modelExecutionTime") for m in self.lr if m.which() == s]