[2.X] Native build system fails to complete

# Summary

Silk 2.x's native build system is failing to complete successfully. This was noticed on the Linux job, but it's best to verify the other platforms when fixing this.

This was noticed during https://github.com/dotnet/Silk.NET/pull/2558.

Relevant logs: https://github.com/dotnet/Silk.NET/actions/runs/23866301288/job/69586223599?pr=2558#step:13:4744:

# Steps to reproduce

Trigger the native builds for Silk 2.x.

# Comments

Related Discord discussion: https://discord.com/channels/521092042781229087/587346162802229298/1489450500377018429