io-sim-por: wrong step in the log

We report `EventTxWakup` in the thread that waken up the thread, but we
report the `ThreadId` of the awaken thread.  Including step of the
executed thread is misleading.

Author: coot

io-sim/src/Control/Monad/IOSimPOR/Internal.hs

@@ -650,7 +650,7 @@ schedule thread@Thread{
           return $
             SimPORTrace time tid tstep tlbl (EventTxCommitted written' created' (Just effect')) $
             traceMany
-              [ (time, tid', tstep, tlbl', EventTxWakeup vids')
+              [ (time, tid', (-1), tlbl', EventTxWakeup vids')
               | tid' <- unblocked
               , let tlbl' = lookupThreadLabel tid' threads
               , let Just vids' = Set.toList <$> Map.lookup tid' wokeby ] $