fix: update cosign in docker img to 1.12.0 (#3379)
fix: update cosign in docker img to 1.12.0 (#3379)

fix for
https://github.com/sigstore/cosign/security/advisories/GHSA-8gw7-4j42-w388

Signed-off-by: Carlos A Becker <e0d37fc92b01fb634d204904d4d347b3805c9003@users.noreply.github.com>
goreleaser/goreleaser,goreleaser/goreleaser,goreleaser/goreleaser