Merge gfx-rs#501

501: Update WebGPU to mozilla-central from hg rev 0f1a8e4c6a76b3b0b16902c7fdfe2356c60ca351 r=kvark a=staktrace

This merge commit should get tagged as `mozilla-0f1a8e4c6a76b3b0b16902c7fdfe2356c60ca351`.

Co-authored-by: Kartikaya Gupta <[email protected]>

Fix clippy errors

In wgpu-remote, some functions are now marked `unsafe` on the outside,
because they dereferenced a raw pointer they couldn't have checked
themselves.

Merge gfx-rs#403

403: Fix lock token lifetimes r=yanchith a=kvark

Fixes gfx-rs#402

Co-authored-by: Dzmitry Malyshau <[email protected]>

Merge gfx-rs#373

373: Release preparations for 0.4 r=kvark a=kvark



Co-authored-by: Dzmitry Malyshau <[email protected]>