chore(deps): update docker/build-push-action action to v6.18.0#175

renovate[bot] wants to merge 1 commit intomainThorpeJosh/ssh-agent-docker:mainfrom

renovate/docker-build-push-action-6.xThorpeJosh/ssh-agent-docker:renovate/docker-build-push-action-6.xCopy head branch name to clipboard