release v1.22.3+k0s.0

Merge pull request k0sproject#1243 from ncopa/cherry-picks-for-1.22

Cherry picks for release-1.22

Merge pull request k0sproject#1224 from ncopa/kubernetes-1.21.6

Bump kubernetes to 1.21.6 (CVE-2020-28852)

release 1.22

Merge pull request k0sproject#1218 from soider/cherry-pick-1.22-confo…

…rmance-tests

release v1.21.6+k0s.0

Merge pull request k0sproject#1215 from soider/release1.22.2-rc2-k0s.…

…2-cherrypicks

Merge pull request k0sproject#1212 from ncopa/doc-cherry-picks-for-re…

…lease-1.22

Doc cherry picks for release 1.22

release 1.22.2+k0s.1

Merge pull request k0sproject#1170 from ncopa/release-1.22

[release-1.22] Bump containerd to 1.5.7 (CVE-2021-41103)