Add benchmark for sending large WebSocket messages

[bdraco]

SSIA

For validating if #9634 is a good idea or not

[codspeed-hq]

CodSpeed Performance Report

Merging #9635 will not alter performance

_{Comparing large_websocket_messages (70fc69e) with master (c95c025)}

Summary

✅ 8 untouched benchmarks

🆕 1 new benchmarks

Benchmarks breakdown

	Benchmark	master	large_websocket_messages	Change
🆕	test_send_one_hundred_large_websocket_text_messages[pyloop]	N/A	664.6 µs	N/A

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.64%. Comparing base (c95c025) to head (70fc69e).
Report is 2 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9635   +/-   ##
=======================================
  Coverage   98.64%   98.64%           
=======================================
  Files         114      114           
  Lines       35361    35372   +11     
  Branches     4191     4193    +2     
=======================================
+ Hits        34882    34893   +11     
  Misses        321      321           
  Partials      158      158           

Flag	Coverage Δ
CI-GHA	98.52% <100.00%> (+<0.01%)	⬆️
OS-Linux	98.20% <100.00%> (+<0.01%)	⬆️
OS-Windows	96.10% <100.00%> (+<0.01%)	⬆️
OS-macOS	97.41% <100.00%> (-0.01%)	⬇️
Py-3.10.11	97.27% <100.00%> (+<0.01%)	⬆️
Py-3.10.15	97.68% <100.00%> (+<0.01%)	⬆️
Py-3.11.10	97.75% <100.00%> (+<0.01%)	⬆️
Py-3.11.9	97.35% <100.00%> (-0.01%)	⬇️
Py-3.12.7	98.23% <100.00%> (+<0.01%)	⬆️
Py-3.13.0	98.22% <100.00%> (+<0.01%)	⬆️
Py-3.9.13	97.18% <100.00%> (+<0.01%)	⬆️
Py-3.9.20	97.59% <100.00%> (+<0.01%)	⬆️
Py-pypy7.3.16	97.21% <100.00%> (+<0.01%)	⬆️
VM-macos	97.41% <100.00%> (-0.01%)	⬇️
VM-ubuntu	98.20% <100.00%> (+<0.01%)	⬆️
VM-windows	96.10% <100.00%> (+<0.01%)	⬆️

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[patchback]

Backport to 3.10: 💚 backport PR created

✅ Backport PR branch: patchback/backports/3.10/23d2966b20275c8182ffd4d883d9218653591fdf/pr-9635

Backported as #9638

🤖 @patchback
I'm built with octomachinery and
my source is open — https://github.com/sanitizers/patchback-github-app.

[patchback]

Backport to 3.11: 💚 backport PR created

✅ Backport PR branch: patchback/backports/3.11/23d2966b20275c8182ffd4d883d9218653591fdf/pr-9635

Backported as #9639

🤖 @patchback
I'm built with octomachinery and
my source is open — https://github.com/sanitizers/patchback-github-app.