chore(ci): Disable flaky turbopack benchmarks (#80058)
### What?
Disable flaky benchmarks for turbopack.
### Why?
Those benchmarks are very flaky even on local.
<img width="873" alt="image"
src="https://github.com/user-attachments/assets/f3146200-7f48-4264-847f-7bd84db9a514"
/>
### How?
