chore(deps): update sigstore/cosign-installer action to v4.1.2#438

renovate[bot] wants to merge 1 commit intomaincloudnative-pg/postgres-containers:mainfrom

renovate/sigstore-cosign-installer-4.xcloudnative-pg/postgres-containers:renovate/sigstore-cosign-installer-4.xCopy head branch name to clipboard