Update docker to 20.10.5 to fix T9595. This update makes docker
with cgroups v2 so should clear the main blocker on T8609 as well.
Release notes can be found
This uses runc version 1.0.0_rc93 and containerd version 1.4.4.
Depends on D10675
Depends on D10676
Tested by running "docker run hello-world"
Closing, please respect the MAINTAINERS.md file. Thanks.