Upgrade several Rust dependencies (#1613)

`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 https://github.com/EmbarkStudios/rust-gpu/pull/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 https://github.com/linebender/vello/pull/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

* Update a couple of dependencies

* More test fixing…

* Use upstream Specta instead of fork

* Update comments in Cargo.toml

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

editor/src/messages/portfolio/document/overlays/utility_types.rs

@@ -19,6 +19,7 @@ pub fn empty_provider() -> OverlayProvider {
 pub struct OverlayContext {
 	// Serde functionality isn't used but is required by the message system macros
 	#[serde(skip, default = "overlay_canvas_context")]
+	#[specta(skip)]
 	pub render_context: web_sys::CanvasRenderingContext2d,
 	pub size: DVec2,
 }