Fix docs after bitflags update

Author: nazar-pc

crates/spirv-std/src/memory.rs

@@ -30,6 +30,7 @@ bitflags::bitflags! {
     /// Memory semantics to determine how some operations should function - used when calling such
     /// configurable operations.
     #[repr(transparent)]
+    #[derive(Copy, Clone)]
     #[cfg_attr(feature = "bytemuck", derive(bytemuck::Zeroable, bytemuck::Pod))]
     pub struct Semantics: u32 {
         /// No memory semantics.

crates/spirv-std/src/ray_tracing.rs

@@ -149,6 +149,7 @@ bitflags::bitflags! {
     /// `CULL_BACK_FACING_TRIANGLES` and `CULL_FRONT_FACING_TRIANGLES` may
     /// be set.
     #[repr(transparent)]
+    #[derive(Copy, Clone)]
     #[cfg_attr(feature = "bytemuck", derive(bytemuck::Zeroable, bytemuck::Pod))]
     pub struct RayFlags: u32 {
         /// No flags specified.