Add BinEinsum to suite-unit #6811

Job	Run time
cargo-clippy (ubuntu-latest, stable)	2m 18s
cargo-clippy (ubuntu-latest, beta)	2m 15s
cargo-deny	14s
cargo-clippy (ubuntu-latest, nightly)	2m 9s
cargo-clippy (macOS-latest, stable)	2m 31s
linux (beta)	34m 21s
cargo-clippy (macOS-latest, beta)	2m 42s
warnings (1.75.0, ubuntu-latest)	2m 4s
linux (nightly)	34m 20s
cargo-clippy (macOS-latest, nightly)	2m 41s
warnings (1.75.0, macOS-latest)	27s
warnings (beta, ubuntu-latest)	1m 53s
warnings (beta, macOS-latest)	25s
	1h 28m 20s

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