Mark the removal of make_mocked_coro as a breaking change

[bdraco]

Adds a symlink for the change note in #10910 to also mark it breaking.

The backports done to 3.11 will be partial to leave the function in but we will remove all usage in our tests.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.74%. Comparing base (36a2567) to head (5803134).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10913      +/-   ##
==========================================
- Coverage   98.75%   98.74%   -0.01%     
==========================================
  Files         129      129              
  Lines       39072    39072              
  Branches     2164     2164              
==========================================
- Hits        38586    38583       -3     
- Misses        337      340       +3     
  Partials      149      149              

Flag	Coverage Δ
CI-GHA	98.63% <ø> (-0.01%)	⬇️
OS-Linux	98.34% <ø> (-0.01%)	⬇️
OS-Windows	96.50% <ø> (ø)
OS-macOS	97.49% <ø> (-0.01%)	⬇️
Py-3.10.11	97.39% <ø> (ø)
Py-3.10.17	97.92% <ø> (-0.01%)	⬇️
Py-3.11.12	98.00% <ø> (ø)
Py-3.11.9	97.46% <ø> (-0.01%)	⬇️
Py-3.12.10	98.41% <ø> (ø)
Py-3.13.3	98.40% <ø> (+0.26%)	⬆️
Py-3.9.13	97.26% <ø> (ø)
Py-3.9.22	97.78% <ø> (ø)
Py-pypy7.3.16	83.11% <ø> (-2.28%)	⬇️
VM-macos	97.49% <ø> (-0.01%)	⬇️
VM-ubuntu	98.34% <ø> (-0.01%)	⬇️
VM-windows	96.50% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[codspeed-hq]

CodSpeed Performance Report

Merging #10913 will improve performances by 10.16%

_{Comparing remove_mock_coro (5803134) with master (36a2567)}

Summary

⚡ 1 improvements
✅ 59 untouched benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	test_ten_streamed_responses_iter_any[pyloop]	23.6 ms	21.4 ms	+10.16%