Update pyproject.toml with Poetry v2.0 (#499)

Migrate from [tool.poetry] to [project]:

• https://python-poetry.org/blog/announcing-poetry-2.0.0
• https://python-poetry.org/docs/pyproject/
• https://python-poetry.org/docs/faq/#migrate-pep621-new-static

Update website, changelog urls (#433 (closed))

Use dynamic Poetry classifiers and dependencies, more convenient but less generic to pyproject.toml project

Change classifier to Operating System :: Unix, since Silkaj is not supported on Windows

Move pydiscourse to optional-dependencies, since Poetry extra is deprecated

Set main authors, with full names, sorted by importance of their contributions

Close #499 (closed).

changed milestone to %0.12.0

added Dev Env label

requested review from @moul

assigned to @moul

mentioned in merge request docker/python3/poetry!11 (merged)

added 1 commit

• 33b35db1 - Update pyproject.toml with Poetry v2.0 (#499 (closed))

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resolved all threads

approved this merge request

merged