Update privilege worker docs with EA features

[seand52]

Description

Update the privilege worker user guide with the changes made as part of the EA rollout"

• The user guide documents jti, ip_allowlist and audit_context as required (even though it isn’t really yet) claims in the subject token JWT, including an example JWT structure showing both fields.
• The "requested_token_type": "http://auth0.com/oauth/token-type/token-vault-refresh-token" parameter is removed
• All code examples in the updated guide are syntactically correct and reflect the current API contract.
• Customer should be instructed not to put PII in the audit context claim as it will be included in logs

References

Testing

Ran mint dev to check that everything works as expected

Checklist

• I've read and followed CONTRIBUTING.md.
• I've tested the site build for this change locally.
• I've made appropriate docs updates for any code or config changes.
• I've coordinated with the Product Docs and/or Docs Management team about non-trivial changes.

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Project	Status	Preview	Updated (UTC)
auth0	🟢 Ready	View Preview	Jun 9, 2026, 8:16 AM

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Project	Status	Preview	Updated (UTC)
auth0-docs-staging	🟢 Ready	View Preview	Jun 9, 2026, 8:16 AM

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Summary

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🔍 Total	5
✅ Successful	0
⏳ Timeouts	0
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👻 Excluded	5
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[d4nt]

@seand52 I believe iat is required