docs: document tls.crl_file TLS option

[egershonNvidia]

Add tls.crl_file to the transport security property table.

Relates to fluent/fluent-bit#12060
Companion to fluent/fluent-bit#12091

Summary by CodeRabbit

• Documentation
  • Documented the new tls.crl_file setting for specifying a PEM-formatted certificate revocation list.
  • Clarified that revoked certificates are rejected during TLS verification when enabled.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: cdc024b4-945d-43ed-8ec0-e1a64266550b

📥 Commits

Reviewing files that changed from the base of the PR and between 9ac2dfa and c24f2dd.

📒 Files selected for processing (1)

• administration/transport-security.md

---

📝 Walkthrough

Walkthrough

The transport security documentation adds the tls.crl_file setting, specifying PEM-formatted CRL input and rejection of revoked certificates during TLS verification.

Changes

TLS CRL documentation

Layer / File(s)	Summary
Document CRL configuration administration/transport-security.md	Adds the tls.crl_file property and documents its PEM format and certificate revocation behavior.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Suggested labels: 5.0

Suggested reviewers: eschabell, patrick-stephens

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main documentation change: adding the tls.crl_file TLS option.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands.}

[eschabell]

@egershonNvidia just waiting on code PR merging.