Bump docker/build-push-action from 6 to 7 in /.github/workflows#345

dependabot[bot] wants to merge 1 commit intorelease/3.0-devmatrixorigin/CI:release/3.0-devfrom

dependabot/github_actions/dot-github/workflows/release/3.0-dev/docker/build-push-action-7matrixorigin/CI:dependabot/github_actions/dot-github/workflows/release/3.0-dev/docker/build-push-action-7Copy head branch name to clipboard