python-websocket-client: update to 1.5.1

- 1.5.1
  - Fix logic bug that can cause disconnects

- 1.5.0
  - Refactor and improve ping/pong logic to resolve several issues,
  including an infinite loop issue during reconnect
  - Fix issue where `skip_utf8_validation = True` is ignored
  - Fix issue where sslopt `is_ssl` is ignored
  - Downgrade "websocket connected" message from logging.warning to
  logging.info
  - Update github actions to newer versions (669fe1b)

Signed-off-by: Javier Marcet <javier@marcet.info>