difftest: force wgpu to use Vulkan, disable dx12

naga fails to transpile our spirv to hlsl

Author: Firestar99

Cargo.lock

@@ -19,9 +19,8 @@ use-compiled-tools = [
 spirv-builder.workspace = true
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-wgpu = { version = "26.0.1", features = ["spirv", "vulkan-portability", "static-dxc"] }
-ash = { version = "0.38", default-features = false }
-naga = { version = "26.0.0", features = ["glsl-in", "spv-out"] }
+wgpu = { version = "26.0.1", default-features = false, features = ["std", "parking_lot", "spirv", "wgsl", "vulkan", "vulkan-portability", "metal"] }
+ash = { version = "0.38" }
 tempfile = "3.5"
 futures = "0.3.31"
 bytemuck = "1.21.0"