Update wgpu to 23.0

wgpu/src/color.rs

@@ -108,14 +108,14 @@ pub fn convert(
             layout: Some(&pipeline_layout),
             vertex: wgpu::VertexState {
                 module: &shader,
-                entry_point: "vs_main",
+                entry_point: Some("vs_main"),
                 buffers: &[],
                 compilation_options: wgpu::PipelineCompilationOptions::default(
                 ),
             },
             fragment: Some(wgpu::FragmentState {
                 module: &shader,
-                entry_point: "fs_main",
+                entry_point: Some("fs_main"),
                 targets: &[Some(wgpu::ColorTargetState {
                     format,
                     blend: Some(wgpu::BlendState {