Add attestation with sbom #29

Job	Run time
nixbuild	3m 52s
build (stable, x86_64-unknown-linux-gnu, time)	32s
build (stable, x86_64-unknown-linux-gnu, timer)	48s
build (stable, x86_64-unknown-linux-gnu, counter)	2m 41s
build (stable, x86_64-pc-windows-msvc, time)	1m 30s
build (stable, x86_64-pc-windows-msvc, timer)	1m 8s
build (stable, x86_64-pc-windows-msvc, counter)	3m 44s
build (stable, i686-pc-windows-msvc, time)	2m 11s
build (stable, i686-pc-windows-msvc, timer)	1m 48s
build (stable, i686-pc-windows-msvc, counter)	4m 22s
build (stable, x86_64-apple-darwin, time)	52s
build (stable, x86_64-apple-darwin, timer)	36s
build (stable, x86_64-apple-darwin, counter)	1m 17s
build (stable, aarch64-apple-darwin, time)	45s
build (stable, aarch64-apple-darwin, timer)	45s
build (stable, aarch64-apple-darwin, counter)	2m 53s
create-release	0s
	29m 44s

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