v13.3.1-canary.8

Core Changes

• provide the PORT env var based on server port, update turbopack: #48347
• feat: generate image metadata: #48362
• Allow some more options for Turbopack: #48401
• Add pg (Postgres) to server components external packages.: #48402
• chore: add export ImageResponseOptions: #48418

Documentation Changes

• Update instrumentation.md: #48394

Credits

Huge thanks to @rodrigofeijao, @sokra, @huozhi, @padmaia, @leerob, and @juliusmarminge for helping!