Make codecov non-blocking

[kaladron]

Similar to uutils/coreutils, make codecov non-blocking for new patches. We will enforce this socially instead of mechanically.

Unlike uutils/coreutils, we still want the comment in the comment thread.

[codspeed-hq]

Merging this PR will not alter performance

✅ 7 untouched benchmarks

---

_{Comparing kaladron:fix-codecov-config (acbc358) with main (a997eda)}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.89%. Comparing base (cef2373) to head (acbc358).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #304      +/-   ##
==========================================
+ Coverage   96.78%   96.89%   +0.10%     
==========================================
  Files           9       11       +2     
  Lines        1121     1481     +360     
  Branches       28       29       +1     
==========================================
+ Hits         1085     1435     +350     
- Misses         35       45      +10     
  Partials        1        1              

Flag	Coverage Δ
macos_latest	96.89% <ø> (+0.10%)	⬆️
ubuntu_latest	96.89% <ø> (+0.10%)	⬆️
windows_latest	0.00% <ø> (ø)

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

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[kevinburke]

You could also try lowering the required coverage... it's currently at 96.8% requirement

[kaladron]

You could also try lowering the required coverage... it's currently at 96.8% requirement

I think it's set to never allow it to go down, which might be a touch unrealistic. I'd love to tweak this further but want to get this landed in the meantime.

Thank you!