Add Statsig OTel destination for Workers

[ask-bonk]

Summary

Adds Statsig to the available OpenTelemetry destinations table for Workers, including its traces and logs endpoints and a link to the official Statsig setup documentation.

Closes #32329

Documentation checklist

• The change adheres to the documentation style guide.

[cloudflare-docs-bot]

Review

⚠️ 1 warning found in commit 10ab903.

👉 Fix in your agent 👈

Fix the following review findings in PR #32330 (https://github.com/cloudflare/cloudflare-docs/pull/32330).

Before making changes, review each finding and present a brief summary table:
- For each finding, state whether you agree, disagree, or need clarification
- If you disagree (e.g. the fix requires disproportionate effort for minimal benefit,
  or the finding is factually incorrect), explain why
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After triaging, follow this order:
1. Post a comment on this PR for any findings you are skipping, with the finding ID and your reasoning.
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---

## Conventions

### Warnings (1)

#### CV-470db71e4f45 · Scope accuracy
- **File:** PR-level finding
- **Issue:** Description claims three changes (new page statsig.mdx, edit to traces/index.mdx, edit to exporting-opentelemetry-data/index.mdx), but the diff only modifies exporting-opentelemetry-data/index.mdx (+1/-0); no statsig.mdx page or traces/index.mdx change exists in the PR.
- **Fix:** Update the description to match the actual diff, or include the described changes (the new statsig.mdx guide and the traces page edit) in the PR.

Code Review

This code review is in beta and may not always be helpful — use your judgment.

_{No code review issues found.}

Conventions

Warnings (1)

File

Issue

PR

Scope accuracy — Description claims three changes (new page statsig.mdx, edit to traces/index.mdx, edit to exporting-opentelemetry-data/index.mdx), but the diff only modifies exporting-opentelemetry-data/index.mdx (+1/-0); no statsig.mdx page or traces/index.mdx change exists in the PR. Fix: Update the description to match the actual diff, or include the described changes (the new statsig.mdx guide and the traces page edit) in the PR.

Style Guide Review

_{No style-guide issues found.}

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[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/workers/observability/	@irvinebroque, @mikenomitch, @nevikashah, @cloudflare/product-owners, @vy-ton

[github-actions]

Preview URL: https://10ab9039.preview.developers.cloudflare.com
Preview Branch URL: https://opencode-issue32329-20260727013740.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/workers/observability/exporting-opentelemetry-data/	https://opencode-issue32329-20260727013740.preview.developers.cloudflare.com/workers/observability/exporting-opentelemetry-data/

[github-actions]

Hey there, we've marked this pull request as stale because there's no recent activity on it. This label helps us identify PRs that might need updates (or to be closed out by our team if no longer relevant).

[cloudflare-workers-and-pages]

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