feat: officially support Python 3.10 & 3.11

[browniebroke]

Committed via https://github.com/asottile/all-repos

[codecov]

Codecov Report

Merging #178 (3089c95) into main (eaee664) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #178      +/-   ##
==========================================
+ Coverage   96.62%   96.66%   +0.04%     
==========================================
  Files          11       11              
  Lines         237      240       +3     
  Branches        8       15       +7     
==========================================
+ Hits          229      232       +3     
  Misses          8        8              

Impacted Files	Coverage Δ
tests/test_server.py	100.00% <100.00%> (ø)

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