fixup for fs-err

Summary:
bypass-github-pytorch-ci-checks

picks up from D54376752. fixes warning
```
[WARN  reindeer::fixups] fs-err-2.11.0 has a build script, but I don't know what to do with it: Unresolved build script at ../../../../../.cargo/registry/src/index.crates.io-6f17d22bba15001f/fs-err-2.11.0/build.rs.
```

Reviewed By: bigfootjon

Differential Revision: D54377916

fbshipit-source-id: d252d59c931bb872f1a8d550ce6ef3b740724138