Rust

Add `egui_kittest`, a test harness for egui #13027

Job	Run time
android	40s
cargo-deny aarch64-apple-darwin	42s
cargo-deny aarch64-linux-android	41s
cargo-deny i686-pc-windows-gnu	43s
cargo-deny i686-pc-windows-msvc	43s
cargo-deny i686-unknown-linux-gnu	42s
cargo-deny wasm32-unknown-unknown	43s
cargo-deny x86_64-apple-darwin	39s
cargo-deny x86_64-pc-windows-gnu	42s
cargo-deny x86_64-pc-windows-msvc	41s
cargo-deny x86_64-unknown-linux-gnu	40s
cargo-deny x86_64-unknown-linux-musl	41s
cargo-deny x86_64-unknown-redox	48s
Check wasm32 + wasm-bindgen	3m 11s
Check wasm32+atomics	1m 29s
Format + check + test	3m 20s
ios	38s
Run tests	3m 53s
Check Windows	2m 39s
	24m 15s

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