* make Calico 3.20.1 the default version
* drop Calico 3.17.x support

Now that 1.10 is out this is to make 1.9.9 the default. I am running
this version successfully.

* set selinux type t_etc if selinux state is enforcing

* workaround with update repo is no longer needed
remove comments about failing playbook

* grubby is not available in distros using ostree

* remove docker support because removed in fcos
update install script example with live rootfs

* do not call grubby on ostree based distro

* update docs enabling containerd on fedora coreos

* Update docker package to 20.10.6

* Add Fedora 33 image and CI, remove Fedora 31 (EOL)

* Packet->Equinix Metal rename #6901 

Updates throughout to reflect #6901 renaming for Packet to Equinix Metal.

* Rename Packet to Equinix Metal throughout the project #6901

Packet is renamed to Equinix Metal in more contexts including
documentation links. The Terraform provider used is still the Packet
provider. The environment variables and configuration options still
refer to the Packet name.

Signed-off-by: Marques Johansson <mjohansson@equinix.com>

Co-authored-by: Edward Vielmetti <ed@packet.net>

* add support for using ansible 2.10.x for deploying kubespray

* move dns-autoscaler-clusterrole{binding}.yml to files/ folder

* note that ansible 2.10 is now experimentally supported

* coredns: move files to templates like before #4341

* add initial MetalLB docs

* metallb allow disabling the deployment of the metallb speaker

* calico>=3.18 allow using calico to advertise service loadbalancer IPs

* Document the use of MetalLB and Calico

* clean MetalLB docs

* Upgrade cilium roles

* Del old test result

* Add hubble ui examples

* Refactor hubble metrics

* Markdown fix pipeline errors

* yamllint check and fix

* refactor install from https://github.com/kubernetes-sigs/kubespray/pull/7520

* Docs syntax change (fix)

* Cilium set default 1.8.9

* Update cilium version in Readme

* rename ansible groups to use _ instead of -

k8s-cluster -> k8s_cluster
k8s-node -> k8s_node
calico-rr -> calico_rr
no-floating -> no_floating

Note: kube-node,k8s-cluster groups in upgrade CI
      need clean-up after v2.16 is tagged

* ensure old groups are mapped to the new ones

* crio: add supported versions 1.20 and 1.21 and align default with k8s version

* cri-o: drop versions 1.17 and 1.18 from version matrix

* update note on cri-o version alignment