Alias "aspire update" with "aspire upgrade"

### Is there an existing issue for this?

- [x] I have searched the existing issues

### Is your feature request related to a problem? Please describe the problem.

_No response_

### Describe the solution you'd like

Make "aspire upgrade" also update for those of us who have old habits. https://x.com/kjbetz/status/2096809249586483496

### Additional context

_No response_