[PR #12151/ca2012e9 backport][3.13] Update codecov config for v5

[patchback]

This is a backport of PR #12151 as merged into master (ca2012e).

None

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.28%. Comparing base (5351c98) to head (c891942).
⚠️ Report is 1 commits behind head on 3.13.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             3.13   #12159   +/-   ##
=======================================
  Coverage   98.28%   98.28%           
=======================================
  Files         128      128           
  Lines       44699    44699           
  Branches     2431     2431           
=======================================
  Hits        43933    43933           
  Misses        590      590           
  Partials      176      176           

Flag	Coverage Δ
CI-GHA	98.16% <ø> (ø)
OS-Linux	97.92% <ø> (+<0.01%)	⬆️
OS-Windows	95.61% <ø> (ø)
OS-macOS	97.18% <ø> (+<0.01%)	⬆️
Py-3.10.11	96.71% <ø> (ø)
Py-3.10.19	97.19% <ø> (ø)
Py-3.11.14	97.39% <ø> (+<0.01%)	⬆️
Py-3.11.9	96.91% <ø> (-0.01%)	⬇️
Py-3.12.10	96.99% <ø> (ø)
Py-3.12.12	97.47% <ø> (ø)
Py-3.13.12	97.70% <ø> (ø)
Py-3.14.3	97.62% <ø> (+<0.01%)	⬆️
Py-3.14.3t	96.72% <ø> (-0.01%)	⬇️
Py-3.9.13	96.60% <ø> (ø)
Py-3.9.25	97.08% <ø> (+<0.01%)	⬆️
Py-pypy3.11.13-7.3.20	96.79% <ø> (-0.01%)	⬇️
VM-macos	97.18% <ø> (+<0.01%)	⬆️
VM-ubuntu	97.92% <ø> (+<0.01%)	⬆️
VM-windows	95.61% <ø> (ø)

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[codspeed-hq]

Merging this PR will not alter performance

✅ 59 untouched benchmarks

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_{Comparing patchback/backports/3.13/ca2012e9e6c8a98de4a2c750db2a762a953c0000/pr-12151 (c891942) with 3.13 (5351c98)}