[CLI]: Replace deprecated appdirs with platformdirs

[SiHaoShen]

Describe the bug

from https://github.com/ActiveState/appdirs
Note: This project has been officially deprecated. You may want to check out https://pypi.org/project/platformdirs/ which is a more active fork of appdirs. Thanks to everyone who has used appdirs. Shout out to ActiveState for the time they gave their employees to work on this over the years.

relevant discussion: ActiveState/appdirs#79

Platformdirs is a maintained fork from appdirs package:
https://github.com/platformdirs/platformdirs

Additional Files

No response

Environment

WandB version: v0.16.6

OS: Windows11

Python version: 3.9.18

Versions of relevant libraries: appdirs v1.4.3

Additional Context

No response

[kptkin]

@SiHaoShen Thanks a lot for updating us!

[ArtsiomWB]

Thank you for the update, @SiHaoShen!