docs(internal): Document release pipeline (#11141)

### Description

The release pipeline is fairly complicated. Documenting in it its
entirety is a good idea.

### Testing Instructions

Give it a read and see what you think.

<sub>CLOSES TURBO-4967</sub>

---------

Co-authored-by: vercel[bot] <35613825+vercel[bot]@users.noreply.github.com>
Co-authored-by: Vercel <vercel[bot]@users.noreply.github.com>

Author: anthonyshew

CONTRIBUTING.md

@@ -203,7 +203,7 @@ devturbo run build --ui=tui --skip-infer 2&> ~/tmp/logs.txt
 
 ## Publishing `turbo` to the npm registry
 
-See [the publishing guide](./release.md).
+See [the publishing guide](./RELEASE.md).
 
 ## Contributing to examples