Update Python version command in GitHub workflow

Add installation of Python 3.12 in GitHub workflow

Rename and update sync workflow

removing the test step on the action

Update TODO list with Python Poetry tasks

Relocated pytest configuration to pyproject.toml

Introduces poetry to manage the dependencies to this project

Atualiza a versão do pynubank para 2.25.0

Adiciona o processo de re-emissão do certificado ao README.md

remove the sync with account because of 401 now the tests

remove the sync with account because of 401