v14.2.0-canary.31

Core Changes

• Eliminate unnecessary decode operations in node-web-streams-helpers.ts: #63427
• Update React from 6c3b8dbfe to 14898b6a9: #63439
• chore(next/font): update @capsizecss/metrics package to the latest: #63440

Misc Changes

• Update Turbopack test manifest: #63452
• Rename turbopack-tests-manifest to turbopack-dev-tests-manifest: #63409
• Implement Turbopack build manifest update: #63461
• Unique name for production integration tests: #63468
• Add unique name for GitHub action steps: #63471
• Use type production for Turbopack tests: #63473
• Ensure NEXT_TEST_MODE is set for production run: #63474

Credits

Huge thanks to @Ethan-Arrowood, @ztanner, @samcx, and @timneutkens for helping!