v8.0.2-canary.6

Patches

• Move webpack config to TypeScript: #6348
• Feat: Validate url.format calls: #6379
• [with-sentry] Use env config instead of webpack where possible: #6381
• Remove alternate screen usage: #6377
• Pass all <Html> props to <html>: #6378
• Fixed missing next deployment directory bug: #6331

Credits

Huge thanks to @dav-is, @isaachinman, @jesstelford, @Timer, and @afuggini for helping!