fix(db): close entry tibble::tibble [stale_floor]

[ndohpenngit]

What does this PR do?

Auto-generated by the staleness remediation agent.
Action: Close entry (window archaeologically unreachable)

Entry

tibble::tibble

• Staleness: stale_floor
• Gap: from_version 2.1.99 << current 3.3.1 (>= 1 major version(s) behind)
• Reference: N/A

Changelog evidence

The breaking change occurred in tibble 3.0.0 (2020-03-30), over 6 years ago. Current CRAN release is 3.3.1 (2025-06-08), 3+ major versions ahead of to_version 3.9.9. No realistic pharma/clinical user pinned to 2.1.99–3.0.x in 2026; the warning existed in 2.0.0 (2018), providing ~2 years notice. This window is archaeologically unreachable.

Related issues

Part of the weekly staleness remediation run. Update the staleness tracking
issue once this PR is merged.

Type of change

• Bug fix
• New feature
• Database entry correction
• Documentation
• Other

Checklist

• Claim verified against official changelog (by agent)
• Human reviewer has spot-checked the changelog evidence
• validate CI check passes in reproducr-db
• sync_db.R runs cleanly after merge
• Tracking issue updated