upgrade to wgpu 22.0.0 (#4847)

wgpu changelog: https://github.com/gfx-rs/wgpu/releases/tag/v22.0.0

---------

Co-authored-by: Andreas Reich <r_andreas2@web.de>

crates/egui-wgpu/src/renderer.rs

@@ -345,6 +345,7 @@ impl Renderer {
                     compilation_options: wgpu::PipelineCompilationOptions::default()
                 }),
                 multiview: None,
+                cache: None,
             }
         )
         };