webgpu: Update wgpu to 0.19 (#31995)

* Update wgpu to 32e70bc163 (0.19)

* Update expect only good

* reexpect

* remove dbg stuff

* Remove all occurrences of dx11_hub

components/script/dom/gpucommandbuffer.rs

@@ -74,10 +74,10 @@ impl Drop for GPUCommandBuffer {
     fn drop(&mut self) {
         if let Err(e) = self.channel.0.send((
             None,
-            WebGPURequest::FreeCommandBuffer(self.command_buffer.0),
+            WebGPURequest::DropCommandBuffer(self.command_buffer.0),
         )) {
             warn!(
-                "Failed to send FreeCommandBuffer({:?}) ({})",
+                "Failed to send DropCommandBuffer({:?}) ({})",
                 self.command_buffer.0, e
             );
         }