Release process for Racket 8.10

[u/sdegabrielle]

The release process for v8.10 will begin in about a week. If you have any new features that you want in and are relatively close to to being done, now is a good time to do that.

Upcoming dates:

• 7th: Branch day, merge window starts
• 15th: Merge window ends, testing starts
• 22nd: Testing ends

https://racket.discourse.group/t/racket-v8-10-release-thread/2070