Add attestation with sbom #25

Job	Run time
nixbuild	11m 41s
build (stable, x86_64-unknown-linux-gnu, time)	33s
build (stable, x86_64-unknown-linux-gnu, timer)	43s
build (stable, x86_64-unknown-linux-gnu, counter)	2m 48s
build (stable, x86_64-pc-windows-msvc, time)	1m 45s
build (stable, x86_64-pc-windows-msvc, timer)	2m 21s
build (stable, x86_64-pc-windows-msvc, counter)	5m 48s
build (stable, i686-pc-windows-msvc, time)	1m 55s
build (stable, i686-pc-windows-msvc, timer)	1m 25s
build (stable, i686-pc-windows-msvc, counter)	5m 13s
build (stable, x86_64-apple-darwin, time)	50s
build (stable, x86_64-apple-darwin, timer)	3m 4s
build (stable, x86_64-apple-darwin, counter)	3m 14s
build (stable, aarch64-apple-darwin, time)	35s
build (stable, aarch64-apple-darwin, timer)	3m 11s
build (stable, aarch64-apple-darwin, counter)	1m 23s
create-release	1s
	46m 30s

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