re-export BufferBinding and BufferDescriptor (#3429)

# Objective

- I want to port `bevy_egui` to Bevy main and only reuse re-exports from Bevy

## Solution

- Add exports for `BufferBinding` and `BufferDescriptor`


Co-authored-by: François <[email protected]>

Author: mockersf

crates/bevy_render/src/render_resource/mod.rs

@@ -24,10 +24,10 @@ pub use uniform_vec::*;
 pub use wgpu::{
     util::BufferInitDescriptor, AddressMode, BindGroupDescriptor, BindGroupEntry,
     BindGroupLayoutDescriptor, BindGroupLayoutEntry, BindingResource, BindingType, BlendComponent,
-    BlendFactor, BlendOperation, BlendState, BufferAddress, BufferBindingType, BufferSize,
-    BufferUsages, ColorTargetState, ColorWrites, CommandEncoder, CommandEncoderDescriptor,
-    CompareFunction, ComputePassDescriptor, ComputePipelineDescriptor, DepthBiasState,
-    DepthStencilState, Extent3d, Face, Features as WgpuFeatures, FilterMode,
+    BlendFactor, BlendOperation, BlendState, BufferAddress, BufferBinding, BufferBindingType,
+    BufferDescriptor, BufferSize, BufferUsages, ColorTargetState, ColorWrites, CommandEncoder,
+    CommandEncoderDescriptor, CompareFunction, ComputePassDescriptor, ComputePipelineDescriptor,
+    DepthBiasState, DepthStencilState, Extent3d, Face, Features as WgpuFeatures, FilterMode,
     FragmentState as RawFragmentState, FrontFace, ImageCopyBuffer, ImageCopyBufferBase,
     ImageCopyTexture, ImageCopyTextureBase, ImageDataLayout, ImageSubresourceRange, IndexFormat,
     Limits as WgpuLimits, LoadOp, MultisampleState, Operations, Origin3d, PipelineLayout,