chore: bump CLI version from 4.35.0 to 4.63.0

[matlegault]

Summary

Bumps the pinned Fern CLI version in fern.config.json from 4.35.0 to 4.63.0.

Version 4.35.0 predates CI metadata support (X-CI-Source / X-CLI-Version headers, added in 4.38.0), so repos forked from this starter template don't send deployment metadata to FDR. This means the dashboard Activity Log shows blank Source columns and no CLI version badges for those deployments.

Upgrading to 4.63.0 (latest) also picks up concurrent publish protection and deployer author attribution (4.55.0+).

Companion PR: https://github.com/fern-api/fern-platform/pull/9559 (same bump in the dashboard's inline docs-starter template used for Postman onboarding).

Review & Testing Checklist for Human

• Confirm 4.63.0 is a stable, published CLI release (it's the latest entry in fern-api/fern packages/cli/cli/versions.yml)
• Run fern generate --docs (or fern check) against this repo with the new version to verify it works end-to-end

Notes

• This only affects new repos that fork/clone the starter. Existing repos still have their own pinned version.

Link to Devin session: https://app.devin.ai/sessions/7a0d9a8466ed49d78fa15bedb445b684
Requested by: @matlegault

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[github-actions]

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✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.