docs: outputs: kafka: add otlp_json and otlp_proto format values

[eschabell]

• add otlp_json and otlp_proto to the format parameter, noting that both formats support logs, metrics, and traces events

This is a code change with no corresponding doc PR.

Summary by CodeRabbit

• Documentation
  • Updated Kafka output plugin documentation to include two new supported formats: otlp_json and otlp_proto for logs, metrics, and traces events.

[coderabbitai]

📝 Walkthrough

Walkthrough

This pull request updates the Kafka output plugin documentation to include two new supported formats: otlp_json and otlp_proto, both supporting logs, metrics, and traces events. The change involves a single-line modification to the format parameter documentation.

Changes

Cohort / File(s)	Summary
Kafka Output Documentation pipeline/outputs/kafka.md	Added two new supported formats (otlp_json and otlp_proto) to the Kafka output plugin's format parameter documentation, each supporting logs, metrics, and traces events.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• docs: outputs: kafka: general doc update and fixes #2436: Also modifies the Kafka output documentation's "format" parameter, adding different supported formats to the same section.

Suggested labels

5.0

Suggested reviewers

• patrick-stephens

Poem

🐰 Kafka formats hop and play,
OTLP joins the fray,
JSON and proto now shine,
Logs, metrics, traces align,
Documentation blooms today!

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The pull request title clearly and specifically describes the main change: adding two new format values (otlp_json and otlp_proto) to the Kafka output plugin documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[eschabell]

@patrick-stephens ready for review!