feat(OSM-2442): upgrade plugin for poetry v2 support

[DOlufemi]

Pull Request Submission Checklist

• Follows CONTRIBUTING guidelines
• Includes detailed description of changes
• Contains risk assessment (Low | Medium | High)
• Highlights breaking API changes (if applicable)
• Links to automated tests covering new functionality
• Includes manual testing instructions (if necessary)
• Updates relevant GitBook documentation (PR link: ___)
• Includes product update to be announced in the next stable release notes

What does this PR do?

• Upgrade snyk-python-plugin to support Poetry V2
• the upgrade includes a bugfix for poetry v1 package-mode = false previously failing on missing project name

Where should the reviewer start?

Have a look at the added test case for the new format of poetry.

How should this be manually tested?

For manual testing, create a directory with the files used for the test case, and run snyk test in that directory.

What's the product update that needs to be communicated to CLI users?

Support for poetry v2 has been added.