fix: workaround potencial valueerror form importlib_metadata

[juanjux]

Description

Handle a potential ValueError on importlib_metadata used from internal/packags.py when one path is not a subpath of the second as a workaround of python/importlib_metadata#455

Fixes #8068.

Checklist

• Change(s) are motivated and described in the PR description.
• Testing strategy is described if automated tests are not included in the PR.
• Risk is outlined (performance impact, potential for breakage, maintainability, etc).
• Change is maintainable (easy to change, telemetry, documentation).
• Library release note guidelines are followed. If no release note is required, add label changelog/no-changelog.
• Documentation is included (in-code, generated user docs, public corp docs).
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Reviewer Checklist

• Title is accurate.
• No unnecessary changes are introduced.
• Description motivates each change.
• Avoids breaking API changes unless absolutely necessary.
• Testing strategy adequately addresses listed risk(s).
• Change is maintainable (easy to change, telemetry, documentation).
• Release note makes sense to a user of the library.
• Reviewer has explicitly acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment.
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• This PR doesn't touch any of that.

[gnufede]

Should we have a regression test for this?

[juanjux]

Should we have a regression test for this?

Hard to reproduce, since we should change all import paths (the error is deeply into importlib).

[juanjux]

Closed, superseded by> #8075