Use your current job, if you’re actively hunting already! I don’t mean try to be a manager there - I mean, get their feedback on why they haven’t already made you a manager in your next 1:1.
Your boss may not know you want it, or they know you want it and can provide insight on what you have to do to get there.
Your boss may not know you want it, or they know you want it and can provide insight on what you have to do to get there.