Bump actions/attest-build-provenance from 1.4.3 to 1.4.4 #787

Job	Run time
cryptography-runner-rhel8	1m 8s
cryptography-runner-rhel8-fips	1m 17s
cryptography-runner-centos-stream9	1m 12s
cryptography-runner-centos-stream9-fips	1m 8s
cryptography-runner-fedora	1m 3s
cryptography-runner-alpine	1m 6s
cryptography-runner-bullseye	1m 24s
cryptography-runner-bookworm	1m 3s
cryptography-runner-trixie	1m 7s
cryptography-runner-sid	1m 1s
cryptography-runner-ubuntu-focal	1m 20s
cryptography-runner-ubuntu-jammy	1m 19s
cryptography-runner-ubuntu-noble	1m 10s
cryptography-runner-ubuntu-rolling	1m 0s
cryptography-manylinux2014:x86_64	2m 26s
cryptography-manylinux_2_28:x86_64	2m 46s
cryptography-musllinux_1_1:x86_64	2m 26s
cryptography-musllinux_1_2:x86_64	3m 12s
cryptography-manylinux2014_aarch64	2m 16s
cryptography-manylinux_2_28:aarch64	2m 45s
cryptography-musllinux_1_1:aarch64	3m 58s
cryptography-musllinux_1_2:aarch64	4m 11s
cryptography-runner-ubuntu-rolling:aarch64	1m 38s
cryptography-runner-alpine:aarch64	1m 22s
	43m 18s

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