v13.2.4-canary.8

Misc Changes

• Use https_proxy environment variable in next/font/google: #46822
• Validate req.url in renderer: #46923
• Validate the router state header on the server: #46925
• Rename FontLoaderManifest to NextFontManifest and add better comments: #46922
• Revalidate generateStaticParams/Paths in background in dev: #46940
• Support re-exporting unnamed function expression: #46936

Credits

Huge thanks to @hanneslund and @shuding for helping!