Bump docker/build-push-action from 6 to 7#256

dependabot[bot] wants to merge 1 commit intomasterlearning-process/ppc-2026-threads:masterfrom

dependabot/github_actions/docker/build-push-action-7learning-process/ppc-2026-threads:dependabot/github_actions/docker/build-push-action-7Copy head branch name to clipboard