docs: pipeline: outputs: opentelemetry: fix lint errors

[eschabell]

• reword "plaintext" to "plain text" to clear the Vale spelling suggestion
• reformat all tables from padded alignment to compact single-space style to resolve markdownlint MD060 errors and match the other output docs (http.md, s3.md)

Summary by CodeRabbit

• Documentation
  • Corrected Markdown table formatting in the OpenTelemetry output plugin documentation.
  • Clarified OTLP/gRPC example wording to “plaintext OTLP/gRPC.”
  • Reformatted and standardized the configuration parameters table (key/description/default) for improved readability and consistent spacing.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

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Run ID: 4f709ea1-0196-413a-b2b3-c8dee7149a89

📥 Commits

Reviewing files that changed from the base of the PR and between d4e4422 and 6ed27e5.

📒 Files selected for processing (1)

• pipeline/outputs/opentelemetry.md

🚧 Files skipped from review as they are similar to previous changes (1)

• pipeline/outputs/opentelemetry.md

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📝 Walkthrough

Walkthrough

The OpenTelemetry output documentation was reformatted. Transport table separators and terminology were corrected, and configuration parameters were rewritten into a consistent three-column Markdown table with normalized formatting.

Changes

OpenTelemetry documentation

Layer / File(s)	Summary
Format transport and configuration documentation pipeline/outputs/opentelemetry.md	Transport tables and example wording were corrected, while configuration parameters were normalized into a consistent key/description/default table.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• fluent/fluent-bit-docs#2460: Updates the same OpenTelemetry documentation and configuration tables.
• fluent/fluent-bit-docs#2621: Overlaps with the Transport section and OTLP/gRPC configuration documentation.

Suggested labels: 5.0

Suggested reviewers: 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 accurately reflects the PR’s main purpose: fixing documentation lint issues in the OpenTelemetry output docs.
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.

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[eschabell]

@patrick-stephens fixing errors not handled in doc PR #2621.

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@pipeline/outputs/opentelemetry.md`:
- Line 68: Update the aws_role_arn description in the OpenTelemetry
documentation to use “e.g., for cross-account access,” including the hyphenation
and preferred abbreviation.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 327b6894-c868-488d-a722-ab16e9b4de30

📥 Commits

Reviewing files that changed from the base of the PR and between 9ac2dfa and d4e4422.

📒 Files selected for processing (1)

• pipeline/outputs/opentelemetry.md