Add a note about PEP 621 not yet being supported by Dependabot for Poetry projects

[edgarrmondragon]

Why:

Partial support for Poetry 2 was added in dependabot/dependabot-core#11642, but the project section is not yet supported.

Closes:

What's being changed (if available, include any code snippets, screenshots, or gifs):

Check off the following:

• A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• The changes in this PR meet the docs fundamentals that are required for all content.
• All CI checks are passing and the changes look good in the review environment.

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[Copilot]

Pull Request Overview

This PR adds a note to clarify that the project section defined by PEP 621 is not yet supported for Poetry projects.

• Added an important note regarding PEP 621 support for Poetry in the supported package managers documentation
• Updated the reusables file to reflect the current state of dependency support

[github-actions]

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Source	Review	Production	What Changed
code-security/dependabot/ecosystems-supported-by-dependabot/supported-ecosystems-and-repositories.md	fpt ghec ghes@ 3.16 3.15 3.14 3.13 3.12	fpt ghec ghes@ 3.16 3.15 3.14 3.13 3.12	from reusable

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

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[Sharra-writes]

Thanks so much for opening a PR! I'll get this triaged for review

[github-actions]

Thanks for opening a pull request! We've triaged this issue for technical review by a subject matter expert 👀

[Sharra-writes]

@edgarrmondragon I've gotten confirmation from our SMEs that this is a useful change to the documentation, but to fit our style guide I'm going to need to change the way the information is presented. It will be easier to open a new PR, which I'll just do here in the docs repo so I can easily reach out to you if I have questions, and you can see what I'm doing. Would you like me to add you as a co-committer? You definitely deserve the credit for bringing this to our attention.

[edgarrmondragon]

to fit our style guide I'm going to need to change the way the information is presented. It will be easier to open a new PR, which I'll just do here in the docs repo so I can easily reach out to you if I have questions, and you can see what I'm doing

That makes to me 👍

Would you like me to add you as a co-committer?

Yeah, that would be nice. Thank you!

[Sharra-writes]

@edgarrmondragon Thank you for your patience! I've finally got the new PR put together if you would like to review it.

[Sharra-writes]

PR 38235 merged, so this one can be closed.