In 1.22 kubeadm is adding a new API version - v1beta3.
Adapt links and examples to use v1beta3 instead of v1beta2.
v1beta2 is not deprecated yet, but v1beta3 is preferred
at this point.
- Add the new page "Configuring a cgroup driver"
The page includes details on how to configure the cgroup driver
using kubeadm. It also includes a migration guide for users to
move to the "systemd" driver.
- Link to the new page from install-kubeadm.md and container-runtimes.md