Combine `RUN` commands to reduce rocm image size

[caponetto]

Description

Image size comparison before -> after these changes:

• rocm-jupyter-tensorflow-ubi9-python-3.9: 38 GB -> 35 GB
• rocm-jupyter-pytorch-ubi9-python-3.9: 60 GB -> 46 GB

Note: Both files are now exactly the same, except for the labels.

How Has This Been Tested?

Run the build workflow with the changes included

Merge criteria:

• [x] The commits are squashed in a cohesive manner and have meaningful messages.
• [x] Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• [x] The developer has manually tested the changes and verified that the changes work

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jiridanek

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/opendatahub-io/notebooks/blob/main/OWNERS)~~ [jiridanek] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[atheo89]

/lgtm

[jiridanek]

/override ci/prow/rocm-runtimes-ubi9-e2e-tests /override ci/prow/runtime-rocm-pytorch-ubi9-python-3-9-pr-image-mirror /override ci/prow/images /override ci/prow/rocm-notebooks-e2e-tests

these things don't build because image is too big, and this PR will shrink the image

[openshift-ci[bot]]

@jiridanek: Overrode contexts on behalf of jiridanek: ci/prow/images, ci/prow/rocm-notebooks-e2e-tests, ci/prow/rocm-runtimes-ubi9-e2e-tests, ci/prow/runtime-rocm-pytorch-ubi9-python-3-9-pr-image-mirror

In response to [this](https://github.com/opendatahub-io/notebooks/pull/634#issuecomment-2248255040): >/override ci/prow/rocm-runtimes-ubi9-e2e-tests >/override ci/prow/runtime-rocm-pytorch-ubi9-python-3-9-pr-image-mirror >/override ci/prow/images >/override ci/prow/rocm-notebooks-e2e-tests > >these things don't build because image is too big, and this PR will shrink the image Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[jiridanek]

/override ci/prow/runtimes-ubi8-e2e-tests /override ci/prow/runtimes-ubi9-e2e-tests /override ci/prow/runtime-rocm-tensorflow-ubi9-python-3-9-pr-image-mirror /override ci/prow/notebook-rocm-jupyter-pyt-ubi9-python-3-9-pr-image-mirror /override ci/prow/notebook-rocm-jupyter-tf-ubi9-python-3-9-pr-image-mirror

[openshift-ci[bot]]

@jiridanek: Overrode contexts on behalf of jiridanek: ci/prow/notebook-rocm-jupyter-pyt-ubi9-python-3-9-pr-image-mirror, ci/prow/notebook-rocm-jupyter-tf-ubi9-python-3-9-pr-image-mirror, ci/prow/runtime-rocm-tensorflow-ubi9-python-3-9-pr-image-mirror, ci/prow/runtimes-ubi8-e2e-tests, ci/prow/runtimes-ubi9-e2e-tests

In response to [this](https://github.com/opendatahub-io/notebooks/pull/634#issuecomment-2248258140): >/override ci/prow/runtimes-ubi8-e2e-tests >/override ci/prow/runtimes-ubi9-e2e-tests >/override ci/prow/runtime-rocm-tensorflow-ubi9-python-3-9-pr-image-mirror >/override ci/prow/notebook-rocm-jupyter-pyt-ubi9-python-3-9-pr-image-mirror >/override ci/prow/notebook-rocm-jupyter-tf-ubi9-python-3-9-pr-image-mirror Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.