chore: add pyupgrade to pre-commit

[bdraco]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 69.98%. Comparing base (6ed7384) to head (0fce459).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/bleak_esphome/backend/client.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #71   +/-   ##
=======================================
  Coverage   69.98%   69.98%           
=======================================
  Files           9        9           
  Lines         503      503           
  Branches       42       42           
=======================================
  Hits          352      352           
  Misses        135      135           
  Partials       16       16           

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[codspeed-hq]

CodSpeed Performance Report

Merging #71 will not alter performance

_{Comparing pyupgrade (0fce459) with main (6ed7384)}

Summary

✅ 1 untouched benchmarks