Update turbopack manifest for flakey folder rename (#68296)
This test is flaking pretty hard recently so marking as so in our
manifest.
x-ref:
https://github.com/vercel/next.js/actions/runs/10151820867/job/28071977443#step:28:303
x-ref: [slack
thread](https://vercel.slack.com/archives/C04KC8A53T7/p1722287367424049)
