fix(clerk-js): Fix SSO callback Turnstile widget alignment

[anagstef]

Description

Center the Turnstile widget on SSO callback

Checklist

• npm test runs as expected.
• npm run 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:

[changeset-bot]

🦋 Changeset detected

Latest commit: f140193

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

This PR includes changesets to release 3 packages

Name	Type
@clerk/clerk-js	Patch
@clerk/chrome-extension	Patch
@clerk/clerk-expo	Patch

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[nikosdouvlis]

Out of curiosity, why do we use turnstile in this part of the flow?

[anagstef]

@nikosdouvlis This is the transfer flow. It's when the signUp.create() is called, which renders the widget.