RHOAIENG-11300: Improve the library upgrade script for alternative sources

[paulovmr]

Description

Modify the library upgrade script to also work for libraries that have a alternative source defined in the Pipfile.

Currently, dependencies with the most used format are supported, for example: tensorboard = "~=2.16.2". The dependencies that define both version and alternative source, for example: torch = {version = "~=2.4.0", index = "pytorch"} should also be supported.

How Has This Been Tested?

Manual executions, comparing the results with merged library upgrades PRs.

Merge criteria:

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

[jstourac]

Some examples in the comments for those regexps would make this a bit better to read, though 🙂

/lgtm

[caponetto]

/lgtm

[paulovmr]

/approve

[openshift-ci]

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[paulovmr]

/override ci/prow/images

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@paulovmr: Overrode contexts on behalf of paulovmr: ci/prow/images

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/override ci/prow/images

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[paulovmr]

/override ci/prow/rocm-notebooks-e2e-tests

[openshift-ci]

@paulovmr: Overrode contexts on behalf of paulovmr: ci/prow/rocm-notebooks-e2e-tests

In response to this:

/override ci/prow/rocm-notebooks-e2e-tests

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