This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/riscv/images/opensuse/tumbleweed-microdnf:20250915
  docker pull registry.opensuse.org/opensuse/factory/riscv/images/opensuse/tumbleweed-microdnf:20250915.3.50
  docker pull registry.opensuse.org/opensuse/factory/riscv/images/opensuse/tumbleweed-microdnf:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.