Match CI doc testing with docs.rs. #1737

Job	Run time
cargo check (msrv) (wasm32)	1m 3s
cargo clippy (windows-latest)	2m 44s
cargo check (aarch64-android)	27s
cargo check (msrv) (windows-latest)	1m 47s
cargo clippy (macos-latest)	1m 48s
cargo clippy (wasm32)	1m 15s
cargo check (msrv) (macos-latest)	36s
cargo clippy (ubuntu-latest)	1m 28s
cargo check (msrv) (ubuntu-latest)	44s
cargo doc	25s
formatting	27s
Prime LFS Cache	5s
cargo test (wasm32)	24s
typos	6s
cargo test (windows-latest)	1m 59s
cargo test (macos-latest)	1m 10s
cargo test (ubuntu-latest)	2m 56s
	19m 24s

Provide feedback