Log Message:
py-urwid: update to 2.3.4.

Convert to wheel.mk, add test dependencies.

2.3.4

New features 🗹

    Replace deprecated use of MultiError with exceptiongroup by @DRMacIver in #679
    Declare extension use Py_LIMITED_API explicit also in setup.py by \ 
@penguinolog in #686

Bug fixes 🕷

    use Hashable for signal identifier types by @ju1ius in #669
    Fix #674 : old versions of setuptools_scm support by @penguinolog in #675
    Fix WSL support: filter-out SI/SO in case of WSL by @penguinolog in #656

Documentation 🕮

    fixed typo by @vindolin in #676

Refactoring 🛠

    Maintenance: apply refurb fixes and tighten ruff by @penguinolog in #671
    Fix exception re-raise in trio event loop by @penguinolog in #683

Other Changes

    Maintenance: Tests: Use explicit encoding for tests by @penguinolog in #685