VW MQB: Engage at standstill with OP longitudinal (#26656)

* VW MQB: Allow engage at standstill

* retry CI

* Update selfdrive/car/volkswagen/interface.py

Co-authored-by: Shane Smiskol <shane@smiskol.com>

* Revert "Update selfdrive/car/volkswagen/interface.py"

This reverts commit 14c7412bf7.

Co-authored-by: Shane Smiskol <shane@smiskol.com>

selfdrive/car/volkswagen/interface.py

@@ -230,7 +230,7 @@ class CarInterface(CarInterfaceBase):
       events.add(EventName.belowSteerSpeed)
 
     if self.CS.CP.openpilotLongitudinalControl:
-      if ret.vEgo < self.CP.minEnableSpeed + 2.:
+      if ret.vEgo < self.CP.minEnableSpeed + 0.5:
         events.add(EventName.belowEngageSpeed)
       if c.enabled and ret.vEgo < self.CP.minEnableSpeed:
         events.add(EventName.speedTooLow)