Bump rust from 1.93-bullseye to 1.94-bullseye in /images/prow-tests#809

knative-prow[bot] merged 1 commit intomainknative/infra:mainfrom

dependabot/docker/images/prow-tests/rust-1.94-bullseyeknative/infra:dependabot/docker/images/prow-tests/rust-1.94-bullseyeCopy head branch name to clipboard