Fix PDF ticket download 404 caused by locale middleware

[barakadanny]

Description

Skip next-intl locale prefixing for /api/ routes so the ticket PDF endpoint is reachable without being redirected to /en/api/....

Type of change

• Chore (maintenance work, dependency updates)
• Refactor (restructuring existing implementation, no behavior change)
• New feature (adds functionality)
• Bug fix (fixes an issue)
• Add tests (test-related changes only)

Related issues

Fix #

Breaking changes

• This PR introduces a breaking change

If checked, describe what breaks and how consumers should migrate.

Development

• Lint rules pass locally
• Application changes have been tested thoroughly
• Automated tests covering modified code pass

Security

• Security impact of change has been considered
• Code follows the platform security practices and guidelines

Screenshots (if applicable)

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