chore(deps): update docker.elastic.co/ci-agent-images/pipelib docker tag to v0.31.0#1030

pickypg merged 1 commit into

mainelastic/support-diagnostics:mainfrom

renovate/docker.elastic.co-ci-agent-images-pipelib-0.xelastic/support-diagnostics:renovate/docker.elastic.co-ci-agent-images-pipelib-0.xCopy head branch name to clipboard