Generate attestations for our docker images (#625) #750

Job	Run time
cryptography-runner-rhel8	1m 53s
cryptography-runner-rhel8-fips	1m 27s
cryptography-runner-centos-stream9	1m 47s
cryptography-runner-centos-stream9-fips	1m 30s
cryptography-runner-fedora	1m 29s
cryptography-runner-alpine	2m 29s
cryptography-runner-bullseye	1m 54s
cryptography-runner-bookworm	1m 33s
cryptography-runner-trixie	1m 22s
cryptography-runner-sid	1m 23s
cryptography-runner-ubuntu-focal	1m 35s
cryptography-runner-ubuntu-jammy	1m 51s
cryptography-runner-ubuntu-noble	2m 15s
cryptography-runner-ubuntu-rolling	2m 4s
cryptography-manylinux2014:x86_64	3m 39s
cryptography-manylinux_2_28:x86_64	2m 35s
cryptography-musllinux_1_1:x86_64	2m 36s
cryptography-musllinux_1_2:x86_64	3m 43s
cryptography-manylinux2014_aarch64	3m 14s
cryptography-manylinux_2_28:aarch64	38s
cryptography-musllinux_1_1:aarch64	47s
cryptography-musllinux_1_2:aarch64	2m 38s
cryptography-runner-ubuntu-rolling:aarch64	2m 20s
cryptography-runner-alpine:aarch64	1m 48s
	48m 30s

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