pin pytorch lightning version for training CI (#21731)
### Description
<!-- Describe your changes. -->
Pins pytorch-lightning package to version 2.3.3 since version >=2.4.0
requires torch > 2.1.0 which is not compatible with cu118.
### 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. -->
ORT 1.19 Release Preparation
