auto-docs: Update property docs for tag v26.1.12

[vbotbuildovich]

This PR auto-generates updated Redpanda property documentation for v26.1.12.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 60197dfc-bdcb-4ce3-bf27-fb602771145e

📥 Commits

Reviewing files that changed from the base of the PR and between 233a8a8 and e2ab25c.

📒 Files selected for processing (6)

• antora.yml
• docs-data/property-overrides.json
• docs-data/redpanda-property-changes-v26.1.10-to-v26.1.12.json
• docs-data/redpanda-property-changes-v26.1.9-to-v26.1.10.json
• modules/reference/attachments/redpanda-properties-v26.1.12.json
• modules/reference/partials/properties/cluster-properties.adoc

💤 Files with no reviewable changes (1)

• docs-data/redpanda-property-changes-v26.1.9-to-v26.1.10.json

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📝 Walkthrough

Walkthrough

The Antora component version is bumped from 26.1.10 to 26.1.12. A new boolean cluster configuration property, controller_log_learner_recovery_rate_enabled (default false), is added to the property overrides, the v26.1.10-to-v26.1.12 property change report, the redpanda-properties-v26.1.12.json reference attachment, and the cluster-properties.adoc partial. The api_doc_dir property's defined_in source path is also corrected in the v26.1.12 properties JSON.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is only a single sentence and omits the required Jira link, review deadline, previews, and checks.	Add the template sections: Description with Jira ticket, Review deadline, Page previews, and Checks, and mark the relevant checkbox.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly states the PR updates property docs for v26.1.12, matching the main change.
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
• Commit unit tests in branch update-property-docs-v26.1.12

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