v14.2.0-canary.18

Core Changes

• fix: x-forwarded-port header is 'undefined' when no port in url: #60484
• Fix generateMetadata race condition: #63169

Misc Changes

• Fix trigger_release workflow to not publish empty canaries: #63167
• Update Turbopack test manifest: #63177

Credits

Huge thanks to @ztanner, @yuvalotem, and @ijjk for helping!