chore(backend,express): Introduce treatPendingAsSignedOut option to getAuth

[LauraBeatris]

Description

Allows passing treatPendingAsSignedOut to getAuth

// `pending` sessions will be treated as signed-out by default
const { userId } = getAuth(req)

// Both `active` and `pending` sessions will be treated as authenticated when `treatPendingAsSignedOut` is false
const { userId } = getAuth(req, { treatPendingAsSignedOut: false })

Checklist

• pnpm test runs as expected.
• pnpm build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
clerk-js-sandbox	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 5, 2025 10:08pm

[changeset-bot]

🦋 Changeset detected

Latest commit: 17c8480

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 11 packages

Name	Type
@clerk/backend	Minor
@clerk/express	Minor
@clerk/agent-toolkit	Patch
@clerk/astro	Patch
@clerk/fastify	Patch
@clerk/nextjs	Patch
@clerk/nuxt	Patch
@clerk/react-router	Patch
@clerk/remix	Patch
@clerk/tanstack-react-start	Patch
@clerk/testing	Patch

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