Update spdx #759

Job	Run time
cargo-deny	20s
Lint	54s
Build the book	6s
Minimum Stable Rust Version Check	23s
Test (ubuntu-22.04)	1m 41s
Test (macos-14)	2m 15s
Test (windows-2022)	4m 41s
Publish Check (aarch64-unknown-linux-musl)	54s
cargo-about	2m 2s
Release	-1s
Publish Docs	0s
test_success	2s
	13m 17s

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