Just go for a different team. Your manager doesn't care about you, other managers only know about you from your manager. I've had managers who strong me along

Just go for a different team. Your manager doesn't care about you, other managers only know about you from your manager. I've had managers who strong me along before, it often happens because they perceive you as unable to move to the next level for valid or invalid reasons. It makes their job easier to tell you what you want to hear.