fix/gro-1633-web-ci-buildx
dev
GRO-1672 follow-up: mirror groombook/api CI fixes in groombook/web - docker/setup-buildx-action: driver-opts network=host (DinD DNS fix) - docker/build-push-action: provenance: false (registry push compat) Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>