Fix AsBindGroup sampler validation. (#15071)

Kind of confused why this wasn't breaking for me pre-`0.15-dev` since
nothing obvious seems to have changed in `wgpu` upstream, but this fixes
it and ensures that we return the correct sample type re: the actual
device.

crates/bevy_render/macros/src/as_bind_group.rs

@@ -366,7 +366,7 @@ pub fn derive_as_bind_group(ast: syn::DeriveInput) -> Result<TokenStream> {
  if let Some(handle) = handle {
  let image = images.get(handle).ok_or_else(|| #render_path::render_resource::AsBindGroupError::RetryNextUpdate)?;
 
- let Some(sample_type) = image.texture_format.sample_type(None, None) else {
+ let Some(sample_type) = image.texture_format.sample_type(None, Some(render_device.features())) else {
  return Err(#render_path::render_resource::AsBindGroupError::InvalidSamplerType(
  #binding_index,
  "None".to_string(),