Log Message:
py-blinker: update to 1.8.1.

Version 1.8.1
-------------

Released 2024-04-28

-   Restore identity handling for ``str`` and ``int`` senders. :pr:`148`
-   Fix deprecated ``blinker.base.WeakNamespace`` import. :pr:`149`
-   Fix deprecated ``blinker.base.receiver_connected import``. :pr:`153`
-   Use types from ``collections.abc`` instead of ``typing``. :pr:`150`
-   Fully specify exported types as reported by pyright. :pr:`152`