[config][github actions] Add codecov configuration

[idzm]

Remove test folder from code coverage.

[codecov[bot]]

Codecov Report

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

Project coverage is 39.29%. Comparing base (a878ee0) to head (7278a5b). Report is 1 commits behind head on master.

:exclamation: There is a different number of reports uploaded between BASE (a878ee0) and HEAD (7278a5b). Click for more details.

HEAD has 1 upload less than BASE

| Flag | BASE (a878ee0) | HEAD (7278a5b) | |------|------|------| ||2|1|

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #780 +/- ## ========================================== - Coverage 47.98% 39.29% -8.70% ========================================== Files 97 69 -28 Lines 29804 25504 -4300 Branches 3292 3264 -28 ========================================== - Hits 14301 10021 -4280 + Misses 15496 15483 -13 + Partials 7 0 -7 ```

:umbrella: View full report in Codecov by Sentry.
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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud