Log Message:
py-blinker: update to 1.7.0.

Version 1.7.0
-------------

Released 2023-11-01

-   Fixed messages printed to standard error about unraisable exceptions during
    signal cleanup, typically during interpreter shutdown. :pr:`123`
-   Allow the Signal set_class to be customised, to allow calling of receivers
    in registration order. :pr:`116`.
-   Drop Python 3.7 and support Python 3.12. :pr:`126`