Upgrade several Rust dependencies

[0HyperCube]

specta from Hypercube's fork commit to latest upstream commit
wasm-bindgen 0.2.87 -> 0.2.91
spirv-std from 0.9 to not-yet-merged commit in EmbarkStudios/rust-gpu#1115
wgpu 0.17 -> 0.19
winit 0.28.6 -> 0.29
vello and vello_svg from latest upstream commit to not-yet-merged commit in linebender/vello#427
resvg 0.36.0 -> 0.39
glam 0.24 -> 0.25
rustybuzz 0.8.0 -> 0.10.0
js-sys and web-sys 0.3.55 -> 0.3.67
usvg 0.36.0 -> 0.39
spirv 0.2.0 -> 0.3