Use Codecov (or a similar tool) to introduce a code coverage quality gate in CI

[glushkova91]

Is your feature request related to a problem? Please describe.
Currently there is no code coverage quality gate in CI, which allows uncovered code to be merged into main, reduces the overall coverage and increases the risk of regression bugs.

Describe the solution you'd like
I’d like to use Codecov (or a similar tool) to introduce a code-coverage quality gate in CI.

• The target for overall coverage will be 50% (to be increased to 70% in the scope of a separate ticket).
• The required coverage for new code will be 70%.
  Overall, I’d like to rely more on visual tests for the design system. A 70% coverage threshold provides a reasonable balance between code quality and development effort.

Additional context
Waiting for approval from IT department to use Codecov

[glushkova91]

This ticket is on hold since we are dicsussing migration the repo to private gitlab space which has Sonar for that purpose