message: Fix spelling errors in `connection_manager` comments
diff: @@ -233,7 +233,7 @@ where
  let new_state = if let Some(outgoing) = self.outgoing.get(&addr) {
  &outgoing.state
  } else {
  - error!("tryed to update cache based on non-existant outgoing connection");
  + error!("tried to update cache based on non-existent outgoing connection");
  return;
  };
  @@ -364,7 +364,7 @@ where
  info!("address blocked");
  self.change_outgoing_state(addr, OutgoingState::Blocked);
  }
  - // TOOD: Check what happens on close on our end, i.e. can we distinguish in logs between
  + // TODO: Check what happens on close on our end, i.e. can we distinguish in logs between
  // a closed connection on our end vs one that failed?
  Entry::Occupied(occupied) => match occupied.get().state {
  OutgoingState::Blocked => {
  