message: op-node: Use background context
diff: @@ -309,9 +309,7 @@ func (s *Driver) eventLoop() {
  s.metrics.SetDerivationIdle(false)
  s.idleDerivation = false
  s.log.Debug("Derivation process step", "onto_origin", s.derivation.Origin(), "attempts", stepAttempts)
  - stepCtx, cancel := context.WithTimeout(ctx, 20*time.Minute) // TODO pick a timeout for executing a single step
  - err := s.derivation.Step(stepCtx)
  - cancel()
  + err := s.derivation.Step(context.Background())
  stepAttempts += 1 // count as attempt by default. We reset to 0 if we are making healthy progress.
  if err == io.EOF {
  s.log.Debug("Derivation process went idle", "progress", s.derivation.Origin())
  