[SECURITY] Fedora 34 Update: containerd-1.6.0~rc.2-3.fc34

Containerd is an industry-standard container runtime with an emphasis on simplicity, robustness and portability. It is available as a daemon for Lin ux and Windows, which can manage the complete container lifecycle of its host system: image transfer and storage, container execution and supervision, low-level storage and network attachments, etc.