Fix Mac CI in Packaging pipeline (#13671)
### Description
<!-- Describe your changes. -->
The default python upgrades to 3.11 in Mac, but 3.11 hasn't been
supported yet.
So Use python3.8 instead.
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
Fix MacOS CI in Zip-Nuget-Java-Nodejs Packaging Pipeline
### Test Run
https://dev.azure.com/aiinfra/Lotus/_build/results?buildId=249020&view=logs&j=ded01483-6627-58ac-64dc-d4a232827e5d
