680: Update wgpu with Naga fixes and OpenGL backend r=cwfitzgerald a=kvark
This PR makes it easier to build wgpu-rs on Linux, since it doesn't require pkg-config into EGL.
Fixes#607
Fixes https://github.com/gfx-rs/wgpu/issues/1063
Co-authored-by: Dzmitry Malyshau <kvark@fastmail.com>