Create rockcraft projects for pytorch full GPU image

[misohu]

Why it needs to get done

The DSS project allows users to select the image of the Notebook server to be used, some of which are built and distributed by this team.

What needs to get done

1. Update the rock file in kubeflow-rocks. Use this Dockerfile for reference.
2. Make sure the CI is properly working in the repo and the sanity tests are testing the rocks functionality.

When is the task considered done

When the pytroch full GPU image is published in the CKF team Dockerhub repository.

[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/KF-5469.

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[misohu]

Make sure to revisit this change after the Rock is ready so we know if we can adjust the timeout.