build: release 3.9.0

[alistair3149]

🤖 I have created a release beep boop

3.9.0 (2025-10-17)

Features

• icon: ✨ add microinteraction for configure icon (8f55d2d)
• search: ✨ make search shortcuts keyboard layout-independent (6c806b5)
• typography: ✨ improve emphasis styles for East Asian scripts (#1165) (4e82bdc)

Bug Fixes

• layout: 🐛 fix page tools center alignment on main page (#1167) (e72c859)
• menu: 🐛 language card goes off-screen when page title is too long (70181e4)
• SECURITY: 🐛 fix stored XSS in sticky header button messages (e006923)
• tokens: 🐛 fix layout issues with fractional viewport sizes (7ae0f48)

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✨ Finishing touches

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[alistair3149]

🤖 Created releases:

• v3.9.0

🌻