fix syntax error in older versions of mermaid

[falcowinkler]

☕️ Reasoning

🧢 Checklist

• [ ] Documentation
• [ ] Tests
• [ ] Ready to be merged

🎫 Affected issues

📌 Resources

• Security guidelines
• Contributing guidelines
• Code of conduct
• Contributing to Open Source

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Name	Status	Preview	Comments	Updated (UTC)
auth-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 11, 2024 8:31pm

2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
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[balazsorban44]

Closing as Nextra v4 seemed to fix our issues.