fix(CI): Correctly call test/update-bundler-manifest.js script (#77000)
https://vercel.slack.com/archives/C03EWR7LGEN/p1741730241830569
> seems the manifest updating action is broken
Tested by manually triggering jobs on this branch:
- Turbopack Job: https://github.com/vercel/next.js/actions/runs/13799253102
- Rspack Job: https://github.com/vercel/next.js/actions/runs/13799251536