docs(cloudflare): Clarify DO instrumentation

[JPeer264]

DESCRIBE YOUR PR

This clarifies that classes that extend DurableObject can also be used with Sentry.instrumentDurableObjectWithSentry

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• Urgent deadline (GA date, etc.): Somewhere this week would be nice.
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SLA

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• Please give the docs team up to 1 week to review your PR unless you've added an urgent due date to it.
  Thanks in advance for your help!

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• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

LEGAL BOILERPLATE

Look, I get it. The entity doing business as "Sentry" was incorporated in the State of Delaware in 2015 as Functional Software, Inc. and is gonna need some rights from me in order to utilize my contributions in this here PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Sentry can use, modify, copy, and redistribute my contributions, under Sentry's choice of terms.

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• Sentry Docs contributor guide

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Project	Deployment	Actions	Updated (UTC)
sentry-docs	Ready	Preview	Jul 20, 2026 8:56am

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Project	Deployment	Actions	Updated (UTC)
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