Does not work on FreeBSD

### Version

0.82.0+30c97f2fe80fd41b3666755661892f6b5c8b3487

### Dotnet Info

dotnet --info
.NET SDK:
Version: 9.0.110
Commit: 999243871a
Workload version: 9.0.100-manifests.3277c30b
MSBuild version: 17.12.44+999243871

Runtime Environment:
OS Name: FreeBSD
OS Version: 15
OS Platform: FreeBSD
RID: freebsd.15-x64
Base Path: /SSD/usr/local/share/dotnet/sdk/9.0.110/

.NET workloads installed:
There are no installed workloads to display.
Configured to use loose manifests when installing new manifests.

Host:
Version: 9.0.9
Architecture: x64
Commit: 999243871a

.NET SDKs installed:
9.0.110 [/SSD/usr/local/share/dotnet/sdk]

.NET runtimes installed:
Microsoft.AspNetCore.App 9.0.9 [/SSD/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 9.0.9 [/SSD/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

Other architectures found:
None

Environment variables:
Not set

global.json file:
Not found

Learn more:
https://aka.ms/dotnet/info

Download .NET:
https://aka.ms/dotnet/download

### Steps to reproduce

install neovim / vscode / emacs editor on FreeBSD.
Try to have completion editing F# files.
Nothing seems to work.
Emacs returns rpc error.

### Details

Expected behaviour : Just like Linux

### Logs

Emacs : No current JSON-RPC connection.

While fsautocomplete --version :
0.82.0+30c97f2fe80fd41b3666755661892f6b5c8b3487

### Checklist

- [x] I have looked through existing issues to make sure that this bug has not been reported before
- [x] I have provided a descriptive title for this issue
- [x] I have made sure that that this bug is reproducible on the latest version of the package
- [x] I have provided all the information needed to reproduce this bug as efficiently as possible
- [x] I or my company would be willing to contribute this fix