Make DeviceLostReason serializable and deserializable. (#5732)

Author: sagudev

wgpu-types/src/lib.rs

@@ -7226,6 +7226,7 @@ mod send_sync {
 /// Corresponds to [WebGPU `GPUDeviceLostReason`](https://gpuweb.github.io/gpuweb/#enumdef-gpudevicelostreason).
 #[repr(u8)]
 #[derive(Debug, Copy, Clone, Eq, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum DeviceLostReason {
     /// Triggered by driver
     Unknown = 0,