chore(repo): Bump next version in app-router playground

[BRKalow]

Description

Bump the next version used in the app-router playground to address a security alert.

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[bot]]

🦋 Changeset detected

Latest commit: cc5bce5605be5c1b003c434641db6c05511af7c0

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

This PR includes changesets to release 0 packages

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