E2E test logging improvements

What does this MR do and why?

Describe in detail what your merge request does and why.

• Update log levels
• Stream shell command output through logger to debug level
• Update review-app test logging preferences ci config

Updated test output example: https://gitlab.com/gitlab-org/gitlab/-/jobs/2528291939

Part of: https://gitlab.com/gitlab-org/quality/team-tasks/-/issues/1201

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