Update codecov/codecov-action action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
codecov/codecov-action	action	major	v3 -> v4

---

Release Notes

codecov/codecov-action (codecov/codecov-action)

v4

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.42%. Comparing base (e7ac03f) to head (096adc7).
Report is 3 commits behind head on master.

❗ Current head 096adc7 differs from pull request most recent head 4a71672

Please upload reports for the commit 4a71672 to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #208   +/-   ##
=======================================
  Coverage   63.42%   63.42%           
=======================================
  Files          50       50           
  Lines        2666     2666           
  Branches      167      167           
=======================================
  Hits         1691     1691           
  Misses        958      958           
  Partials       17       17           

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