Drop Py3.8, Add Py3.13, Bump pre-commit hooks and Pytest deps

• Drop Py3.8: dep, pyupgrade, ci, doc
• Add Python 3.13 support
• Bump pre-commit hooks
• Bump Pytest (v8) dependencies

Close #208 (closed), #199 (closed).

changed milestone to %1.3.0

added CI/CD Dev Env Py ≥ 3.9 Test labels

assigned to @moul

requested review from @vtexier

approved this merge request

merged

changed milestone to %1.2.1