Rust

Add syntax highlighing feature to `egui_extras` #7229

Job	Run time
android	35s
Check wasm32 + wasm-bindgen	3m 24s
cargo-deny aarch64-apple-darwin	54s
cargo-deny aarch64-linux-android	47s
cargo-deny i686-pc-windows-gnu	55s
cargo-deny i686-pc-windows-msvc	56s
cargo-deny i686-unknown-linux-gnu	59s
cargo-deny wasm32-unknown-unknown	56s
cargo-deny x86_64-apple-darwin	57s
cargo-deny x86_64-pc-windows-gnu	51s
cargo-deny x86_64-pc-windows-msvc	47s
cargo-deny x86_64-unknown-linux-gnu	54s
cargo-deny x86_64-unknown-linux-musl	47s
cargo-deny x86_64-unknown-redox	46s
Format + check + test	7m 47s
Check Windows	2m 11s
	24m 26s

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