### Description
Current pipeline refers to an old image which is causing test failures.
Updating the image to the latest one.
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
Fixes pipeline failure:
https://dev.azure.com/onnxruntime/onnxruntime/_build?definitionId=198
- If it fixes an open issue, please link to the issue here. -->
PyTorch skipped version 1.14 and jumped to 2.0, while the image for the
onnxruntime-CI-nightly-ort-pipeline is still using
nightly-ubuntu2004-cu116-py38-torch1140dev. Switch to the new torch
version image to fix the failure of the pipeline.
### Description
updating the ptca image used in the nightly pipeline
Co-authored-by: Adam Louly <adamlouly@microsoft.com@orttrainingdev7.d32nl1ml4oruzj4qz3bqlggovf.px.internal.cloudapp.net>