CI(build-and-test): collect code-coverage for regression tests

[bayandin]

Cc: #6485

Problem

Summary of changes

Checklist before requesting a review

• I have performed a self-review of my code.
• If it is a core feature, I have added thorough tests.
• Do we need to implement analytics? if so did you add the relevant metrics to the dashboard?
• If this PR requires public announcement, mark it with /release-notes label and add several sentences in this section.

Checklist before merging

• Do not forget to reformat commit message to not include the above checklist

[github-actions]

2164 tests run: 2095 passed, 0 failed, 69 skipped (full report)

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Flaky tests (1)

Postgres 16

• test_lagging_sk: debug

Test coverage report is not available

_{The comment gets automatically updated with the latest test results
b1930d3 at 2024-08-16T07:24:00.031Z :recycle:}