Debug logs to try diagnose flaky LFK tests in CI

What does this MR do and why?

Adds debug logs to the LFK test to hopefully help us figure out why LFK tests are flaky for Sec DB tables:

References

https://gitlab.com/gitlab-org/gitlab/-/issues/?sort=created_date&state=opened&search=ee%2Fspec%2Fmodels%2Fvulnerabilities&first_page_size=20

• [Test] ee/spec/models/vulnerabilities/finding/e... (#531136 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/archive_s... (#527884 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/export_sp... (#526998 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/state_tra... (#526844 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/historica... (#526741 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/finding_s... (#526594 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/issue_lin... (#526546 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/flag_spec... (#526545 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/external_... (#526543 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/feedback_... (#526497 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/scanner_s... (#526449 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/identifie... (#526438 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/statistic... (#526389 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/merge_req... (#526296 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/remediati... (#526188 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/finding_s... (#526187 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/export/pa... (#526186 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/severity_... (#526135 - closed) • Unassigned
• [Test] ee/spec/models/vulnerabilities/finding_r... (#526104 - closed) • Unassigned

Screenshots or screen recordings

Before	After

How to set up and validate locally

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