I want to update latest version for my iPad
ipaid pro version 12.2
model number MLPY2J/A
[Edited by Moderator]
If the model number you posted is correct (MLPY2J/A), your iPad Pro 9.7" wifi+cellular (firstly released in 2016) cannot support iPadOS versions past 16.7.7, sorry.
See why in this compatibility chart: