Limit username character limit to 32 (instead of 31)

[micwoj92]

Is your feature request related to a problem? Please describe. I'm always frustrated when I have 32 character username and it cuts off in game.

Describe the solution you'd like Bump the char limit to 32 like on Steam.

Describe alternatives you've considered none

Additional context https://github.com/ValveSoftware/Source-1-Games/issues/756