chore: adopt gemini code suggestions #155

Job	Run time
publish-images (fedora-45, composefs-sealeduki-sdboot)	25m 40s
publish-images (fedora-43, composefs-sealeduki-sdboot)	25m 57s
publish-images (fedora-45, ostree)	25m 57s
publish-images (centos-10, ostree)	25m 56s
publish-images (centos-10, composefs-sealeduki-sdboot)	25m 56s
publish-images (fedora-44, composefs-sealeduki-sdboot)	25m 56s
publish-images (centos-9, ostree)	22m 24s
publish-images (fedora-44, ostree)	25m 56s
publish-images (fedora-43, ostree)	25m 56s
	3h 49m 38s

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