EVEREST-107: use cookie instead of auth header

[michal-kralik]

CHANGE DESCRIPTION

Problem: EVEREST-107

Short explanation of the problem. We can't use the Authorization header because it's automatically removed by the k8s proxy.

Cause: Authorization header is removed by k8s.

Solution: Use cookie

CHECKLIST

Jira

• [x] Is the Jira ticket created and referenced properly?

Tests

• [ ] Is an Integration test/test case added for the new feature/change?
• [ ] Are unit tests added where appropriate?

[codecov-commenter]

Codecov Report

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

Comparison is base (6b5b353) 5.38% compared to head (2f62f89) 5.50%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #233 +/- ## ======================================== + Coverage 5.38% 5.50% +0.11% ======================================== Files 13 13 Lines 3177 3181 +4 ======================================== + Hits 171 175 +4 Misses 2979 2979 Partials 27 27 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.