feat(upgrade): Sign-in Client Trust status handling

[tmilewski]

Description

• Adds handling for new Sign-in Client Trust status: needs_client_trust
• Adds ability to exclude the matcher frontmatter to indicate that the change should always be displayed.

TODO

• [ ] Update link when documentation is ready.

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
• [x] 🌟 New feature
• [ ] 🔨 Breaking change
• [ ] 📖 Refactoring / dependency upgrade / documentation
• [ ] other:

Summary by CodeRabbit

• New Features

  • Introduced new Sign-in Client Trust Status for enhanced client trust verification in authentication flows.

• Documentation

  • Added documentation and code examples for the new Sign-in Client Trust Status, including prerequisites and implementation guidance.

• Tests

  • Enhanced test coverage for the upgrade scanner to ensure accurate detection and comprehensive handling of configuration changes.

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