Rust

Add `kittest.toml` config file #16720

Job	Run time
Format + check	3m 43s
Check wasm32 + wasm-bindgen	3m 20s
Check wasm32+atomics	1m 49s
Check Windows	2m 39s
Run tests	9m 8s
android	38s
ios	1m 7s
cargo-deny aarch64-apple-darwin	40s
cargo-deny i686-pc-windows-msvc	47s
cargo-deny aarch64-linux-android	48s
cargo-deny wasm32-unknown-unknown	47s
cargo-deny x86_64-pc-windows-gnu	50s
cargo-deny x86_64-apple-darwin	49s
cargo-deny x86_64-unknown-linux-gnu	59s
cargo-deny x86_64-unknown-linux-musl	42s
cargo-deny i686-pc-windows-gnu	39s
cargo-deny x86_64-pc-windows-msvc	45s
cargo-deny i686-unknown-linux-gnu	47s
cargo-deny x86_64-unknown-redox	43s
	31m 40s

Provide feedback