feat!: move to poetry and remove ID pool feature

[EHadoux]

• Moved to Poetry for a more contemporary deps/build system
• Removed any ref to the Federated ID pool -> makes this library incompatible with MI v1

[Copilot]

Pull Request Overview

This PR modernizes the project by moving dependency management and builds to Poetry and by removing the federated ID pool functionality. Key changes include:

• Introduction of a pyproject.toml for Poetry-based dependency management.
• Updates to CI workflows and tests to align with the Poetry build system and Python 3.11.
• Removal of code related to federated ID, credentials, and signature generation features.

Reviewed Changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pyproject.toml	New project configuration using Poetry
.github/workflows/*.yml	Updated workflows to install dependencies via Poetry and Python 3.11
docs_source/conf.py	Updated release handling and copyright for 2025
scribeauth/scribeauth.py	Reworked authentication logic, replaced TypedDicts with dataclasses, and removed federated ID features
tests/test_scribeauth.py	Updated tests to use pytest and removed federated ID tests
scribeauth/main.py	Updated CLI to use new ScribeAuth constructor and dataclass checks
README.md & LICENSE.md	Adjusted documentation and license year
scribeauth/init.py	Reflected removal of federated functionality
setup.py	Removed in favor of Poetry's pyproject.toml

Comments suppressed due to low confidence (2)

scribeauth/scribeauth.py:259

• Avoid using a bare except clause here; instead, catch specific exceptions to prevent masking unexpected errors.

        except:

tests/test_scribeauth.py:31

• [nitpick] Consider using a consistent test class structure across all tests; for example, either subclass unittest.TestCase or use plain pytest functions consistently.

class TestScribeAuthGetTokensNoMFA: