XRAY-138689 - Add Poetry support for jf ca

[Phavya-jfrog]

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• All tests have passed. If this feature is not already covered by the tests, new tests have been added.
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Previously jf ca had no Poetry support — running it on a Poetry project either fell back to the pip code path or produced incomplete results. This PR adds full Poetry (1.x and 2.x) support.

What changed:

Curation install via Artifactory — points Poetry's source at the api/curation/audit// endpoint and runs poetry lock against a temporary copy of the project, so all resolution routes through curation and 403 responses surface blocked packages. The user's pyproject.toml and poetry.lock are never modified. The original source name is preserved in the temp copy so existing poetry.lock entries stay valid.

Smart lock handling — checks whether poetry.lock is missing, stale, or up-to-date before changing the source URL (Poetry 1.x stores the URL in the lock and would otherwise always look stale). Generates, refreshes, or skips the lock accordingly, with automatic fallbacks for both Poetry 1.x and 2.x flag differences.

Blocked package table from poetry.lock — parses both v1 and v2 lock layouts and probes Artifactory for each package so blocked ones show up in the same table users already see for npm/pip.

CVS-blocked detection for Poetry — Poetry reports CVS-hidden versions as "doesn't match any versions" instead of a 403; that pattern is now picked up and rendered as a blocked package.

Graceful 403 handling — Poetry-emitted 403s now render the standard curation-blocked message instead of raw Poetry output.

Minimum Poetry version — 1.2.0 required for curation, with a clear error otherwise.

Testing done is documented here https://jfrog-int.atlassian.net/browse/XRAY-141531