Log Message:
py-zmq: updated to 26.2.1

26.2.1 is a tiny bugfix release

- Update bundled libsodium to 1.0.20
- Some typing-related fixes for pyright and newer mypy versions
- Fix PYZMQ_NO_BUNDLE option name when specified via cmake instead of \ 
environment variable
- Fix missing `socket.context` reference when shadowing existing Sockets
- Various updates to documentation and examples, especially discouraging use of \ 
insecure `recv_pyobj` without message authentication.
  `recv_pyobj` is **_NOT_** deprecated, but it is _discouraged_.