switch codecov action to v4

[libotony]

Description

Re-open for fixing permissions on master commit CI.

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] New and existing E2E tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules
• [x] I have not added any vulnerable dependencies to my code

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 61.22%. Comparing base (e8a40c0) to head (7984c00). Report is 18 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #714 +/- ## ========================================== + Coverage 57.24% 61.22% +3.98% ========================================== Files 156 194 +38 Lines 17205 18207 +1002 ========================================== + Hits 9849 11148 +1299 + Misses 6392 5977 -415 - Partials 964 1082 +118 ```

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