Fixes performance problems due to TaskScopes (#55721)
### What?
see https://github.com/vercel/turbo/pull/5992
### Turobopack changes
* https://github.com/vercel/turbo/pull/6009 <!-- OJ Kwon - ci(workflow):
update test filter -->
* https://github.com/vercel/turbo/pull/6026 <!-- Will Binns-Smith -
Remove next-dev references and benchmarks -->
* https://github.com/vercel/turbo/pull/6038 <!-- Tim Neutkens - Remove
test-prod action -->
* https://github.com/vercel/turbo/pull/6039 <!-- Tim Neutkens - Fix
action dependency -->
* ~https://github.com/vercel/turbo/pull/6036~ <!-- Will Binns-Smith -
Turbopack: add support for an asset prefix (and basePath in Next.js) -->
* https://github.com/vercel/turbo/pull/5992 <!-- Tobias Koppers -
refactor TaskScopes to use an aggregation tree -->
Closes WEB-1622
