Clean up asyncio deprecations

[linuxdaemon]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 96.03960% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 79.90%. Comparing base (d70f1b9) to head (ee2f7ab).

Files	Patch %	Lines
plugins/core/sasl.py	0.00%	2 Missing :warning:
cloudbot/clients/irc.py	80.00%	1 Missing :warning:
cloudbot/plugin.py	75.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #675      +/-   ##
==========================================
- Coverage   79.91%   79.90%   -0.02%     
==========================================
  Files         278      278              
  Lines       19268    19247      -21     
  Branches     3099     3097       -2     
==========================================
- Hits        15398    15379      -19     
+ Misses       3616     3614       -2     
  Partials      254      254              

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.