[PR #9552/10f07ea7 backport][3.11] Add aiohttp._websocket to packages in setup.cfg

[patchback]

This is a backport of PR #9552 as merged into master (10f07ea).

What do these changes do?

Add aiohttp._websocket to packages in setup.cfg

I forget to add it when I broke it out into a folder in #9542

[codspeed-hq]

CodSpeed Performance Report

Merging #9553 will not alter performance

_{Comparing patchback/backports/3.11/10f07ea7d61466019ceffcae83ef235524412c62/pr-9552 (ea61174) with 3.11 (5ac23e2)}

Summary

✅ 4 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.84%. Comparing base (5ac23e2) to head (ea61174).
Report is 1 commits behind head on 3.11.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             3.11    #9553   +/-   ##
=======================================
  Coverage   97.84%   97.84%           
=======================================
  Files         114      114           
  Lines       35313    35313           
  Branches     4236     4236           
=======================================
  Hits        34552    34552           
  Misses        570      570           
  Partials      191      191           

Flag	Coverage Δ
CI-GHA	97.72% <ø> (ø)
OS-Linux	97.42% <ø> (ø)
OS-Windows	94.32% <ø> (ø)
OS-macOS	96.64% <ø> (ø)
Py-3.10.11	96.50% <ø> (+<0.01%)	⬆️
Py-3.10.15	96.91% <ø> (ø)
Py-3.11.10	96.99% <ø> (ø)
Py-3.11.9	96.58% <ø> (-0.01%)	⬇️
Py-3.12.7	97.45% <ø> (ø)
Py-3.13.0	97.44% <ø> (ø)
Py-3.9.13	96.42% <ø> (ø)
Py-3.9.20	96.83% <ø> (ø)
Py-pypy7.3.16	96.46% <ø> (ø)
VM-macos	96.64% <ø> (ø)
VM-ubuntu	97.42% <ø> (ø)
VM-windows	94.32% <ø> (ø)

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